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#: ../Doc/tutorial/introduction.rst:5
msgid "An Informal Introduction to Python"
msgstr "Una introducción informal a Python"

#: ../Doc/tutorial/introduction.rst:7
msgid ""
"In the following examples, input and output are distinguished by the "
"presence or absence of prompts (:term:`>>>` and :term:`...`): to repeat the "
"example, you must type everything after the prompt, when the prompt appears; "
"lines that do not begin with a prompt are output from the interpreter. Note "
"that a secondary prompt on a line by itself in an example means you must "
"type a blank line; this is used to end a multi-line command."
msgstr ""
"En los siguientes ejemplos, la entrada y la salida se distinguen por la "
"presencia o ausencia de prompts (:term:`>>>` y :term:`...`): para repetir el "
"ejemplo, escribe todo después del prompt, cuando aparece; las líneas que no "
"comienzan con un prompt son emitidas desde el intérprete. Ten en cuenta que "
"en un ejemplo un prompt secundario en una linea en solitario significa que "
"debes escribir una línea en blanco. Esto se utiliza para finalizar un "
"comando multilínea."

#: ../Doc/tutorial/introduction.rst:16
#, fuzzy
msgid ""
"You can use the \"Copy\" button (it appears in the upper-right corner when "
"hovering over or tapping a code example), which strips prompts and omits "
"output, to copy and paste the input lines into your interpreter."
msgstr ""
"Puede alternar la visualización de mensajes y salida haciendo clic en  "
"``>>>`` en la esquina superior derecha de un cuadro de ejemplo.  Si oculta "
"las indicaciones y la salida para un ejemplo, puede copiar y pegar "
"fácilmente las líneas de entrada en su intérprete."

#: ../Doc/tutorial/introduction.rst:22
msgid ""
"Many of the examples in this manual, even those entered at the interactive "
"prompt, include comments.  Comments in Python start with the hash character, "
"``#``, and extend to the end of the physical line.  A comment may appear at "
"the start of a line or following whitespace or code, but not within a string "
"literal.  A hash character within a string literal is just a hash character. "
"Since comments are to clarify code and are not interpreted by Python, they "
"may be omitted when typing in examples."
msgstr ""
"Muchos de los ejemplos de este manual, incluso aquellos ingresados en el "
"prompt interactivo, incluyen comentarios. Los comentarios en Python "
"comienzan con el carácter numeral, ``#``, y se extienden hasta el final "
"visible de la línea. Un comentario quizás aparezca al comienzo de la línea o "
"seguido de espacios en blanco o código, pero no dentro de una cadena de "
"caracteres. Un carácter numeral dentro de una cadena de caracteres es sólo "
"un carácter numeral. Ya que los comentarios son para aclarar código y no son "
"interpretados por Python, pueden omitirse cuando se escriben los ejemplos."

#: ../Doc/tutorial/introduction.rst:30
msgid "Some examples::"
msgstr "Algunos ejemplos::"

#: ../Doc/tutorial/introduction.rst:32
msgid ""
"# this is the first comment\n"
"spam = 1  # and this is the second comment\n"
"          # ... and now a third!\n"
"text = \"# This is not a comment because it's inside quotes.\""
msgstr ""

#: ../Doc/tutorial/introduction.rst:41
msgid "Using Python as a Calculator"
msgstr "Usando Python como una calculadora"

#: ../Doc/tutorial/introduction.rst:43
msgid ""
"Let's try some simple Python commands.  Start the interpreter and wait for "
"the primary prompt, ``>>>``.  (It shouldn't take long.)"
msgstr ""
"Probemos algunos comandos simples de Python. Inicia el intérprete y espera "
"el prompt primario, ``>>>``. (No debería tardar mucho.)"

#: ../Doc/tutorial/introduction.rst:50
msgid "Numbers"
msgstr "Números"

#: ../Doc/tutorial/introduction.rst:52
msgid ""
"The interpreter acts as a simple calculator: you can type an expression at "
"it and it will write the value.  Expression syntax is straightforward: the "
"operators ``+``, ``-``, ``*`` and ``/`` can be used to perform arithmetic; "
"parentheses (``()``) can be used for grouping. For example::"
msgstr ""
"El intérprete funciona como una simple calculadora: puedes introducir una "
"expresión en él y este escribirá los valores. La sintaxis es sencilla: los "
"operadores ``+``, ``-``, ``*`` y ``/`` se pueden usar para realizar "
"operaciones aritméticas; los paréntesis (``()``) pueden ser usados para "
"agrupar. Por ejemplo::"

#: ../Doc/tutorial/introduction.rst:58
msgid ""
">>> 2 + 2\n"
"4\n"
">>> 50 - 5*6\n"
"20\n"
">>> (50 - 5*6) / 4\n"
"5.0\n"
">>> 8 / 5  # division always returns a floating-point number\n"
"1.6"
msgstr ""

#: ../Doc/tutorial/introduction.rst:67
msgid ""
"The integer numbers (e.g. ``2``, ``4``, ``20``) have type :class:`int`, the "
"ones with a fractional part (e.g. ``5.0``, ``1.6``) have type :class:"
"`float`.  We will see more about numeric types later in the tutorial."
msgstr ""
"Los números enteros (ej. ``2``, ``4``, ``20``) tienen tipo :class:`int`, los "
"que tienen una parte fraccionaria (por ejemplo ``5.0``, ``1.6``) tiene el "
"tipo :class:`float`. Vamos a ver más acerca de los tipos numéricos más "
"adelante en el tutorial."

#: ../Doc/tutorial/introduction.rst:71
msgid ""
"Division (``/``) always returns a float.  To do :term:`floor division` and "
"get an integer result you can use the ``//`` operator; to calculate the "
"remainder you can use ``%``::"
msgstr ""
"La división (``/``) siempre retorna un número decimal de punto flotante. "
"Para hacer :term:`floor division` y obtener un número entero como resultado  "
"puede usarse el operador ``//``; para calcular el resto puedes usar ``%``::"

#: ../Doc/tutorial/introduction.rst:75
#, python-format
msgid ""
">>> 17 / 3  # classic division returns a float\n"
"5.666666666666667\n"
">>>\n"
">>> 17 // 3  # floor division discards the fractional part\n"
"5\n"
">>> 17 % 3  # the % operator returns the remainder of the division\n"
"2\n"
">>> 5 * 3 + 2  # floored quotient * divisor + remainder\n"
"17"
msgstr ""

#: ../Doc/tutorial/introduction.rst:85
msgid ""
"With Python, it is possible to use the ``**`` operator to calculate powers "
"[#]_::"
msgstr ""
"Con Python, es posible usar el operador ``**`` para calcular potencias [#]_::"

#: ../Doc/tutorial/introduction.rst:87
msgid ""
">>> 5 ** 2  # 5 squared\n"
"25\n"
">>> 2 ** 7  # 2 to the power of 7\n"
"128"
msgstr ""

#: ../Doc/tutorial/introduction.rst:92
msgid ""
"The equal sign (``=``) is used to assign a value to a variable. Afterwards, "
"no result is displayed before the next interactive prompt::"
msgstr ""
"El signo igual (``=``) se usa para asignar un valor a una variable. Después, "
"no se muestra ningún resultado antes del siguiente prompt interactivo::"

#: ../Doc/tutorial/introduction.rst:95
msgid ""
">>> width = 20\n"
">>> height = 5 * 9\n"
">>> width * height\n"
"900"
msgstr ""

#: ../Doc/tutorial/introduction.rst:100
msgid ""
"If a variable is not \"defined\" (assigned a value), trying to use it will "
"give you an error::"
msgstr ""
"Si una variable no está \"definida\" (no se le ha asignado un valor), al "
"intentar usarla dará un error::"

#: ../Doc/tutorial/introduction.rst:103
msgid ""
">>> n  # try to access an undefined variable\n"
"Traceback (most recent call last):\n"
"  File \"<stdin>\", line 1, in <module>\n"
"NameError: name 'n' is not defined"
msgstr ""

#: ../Doc/tutorial/introduction.rst:108
msgid ""
"There is full support for floating point; operators with mixed type operands "
"convert the integer operand to floating point::"
msgstr ""
"Hay soporte completo de punto flotante; operadores con operando mezclados "
"convertirán los enteros a punto flotante::"

#: ../Doc/tutorial/introduction.rst:111
msgid ""
">>> 4 * 3.75 - 1\n"
"14.0"
msgstr ""

#: ../Doc/tutorial/introduction.rst:114
msgid ""
"In interactive mode, the last printed expression is assigned to the variable "
"``_``.  This means that when you are using Python as a desk calculator, it "
"is somewhat easier to continue calculations, for example::"
msgstr ""
"En el modo interactivo, la última expresión impresa se asigna a la variable "
"``_``.  Esto significa que cuando se está utilizando Python como "
"calculadora, es más fácil seguir calculando, por ejemplo::"

#: ../Doc/tutorial/introduction.rst:118
msgid ""
">>> tax = 12.5 / 100\n"
">>> price = 100.50\n"
">>> price * tax\n"
"12.5625\n"
">>> price + _\n"
"113.0625\n"
">>> round(_, 2)\n"
"113.06"
msgstr ""

#: ../Doc/tutorial/introduction.rst:127
msgid ""
"This variable should be treated as read-only by the user.  Don't explicitly "
"assign a value to it --- you would create an independent local variable with "
"the same name masking the built-in variable with its magic behavior."
msgstr ""
"Esta variable debe ser tratada como de sólo lectura por el usuario. No le "
"asignes explícitamente un valor; crearás una variable local independiente "
"con el mismo nombre enmascarando la variable con el comportamiento mágico."

#: ../Doc/tutorial/introduction.rst:131
msgid ""
"In addition to :class:`int` and :class:`float`, Python supports other types "
"of numbers, such as :class:`~decimal.Decimal` and :class:`~fractions."
"Fraction`. Python also has built-in support for :ref:`complex numbers "
"<typesnumeric>`, and uses the ``j`` or ``J`` suffix to indicate the "
"imaginary part (e.g. ``3+5j``)."
msgstr ""
"Además de :class:`int` y :class:`float`, Python admite otros tipos de "
"números, como :class:`~decimal.Decimal` y :class:`~fractions.Fraction`. "
"Python también tiene soporte incorporado para :ref:`complex numbers "
"<typesnumeric>`, y usa el sufijo ``j`` o ``J`` para indicar la parte "
"imaginaria (por ejemplo, ``3+5j``)."

#: ../Doc/tutorial/introduction.rst:141
msgid "Text"
msgstr "Texto"

#: ../Doc/tutorial/introduction.rst:143
msgid ""
"Python can manipulate text (represented by type :class:`str`, so-called "
"\"strings\") as well as numbers.  This includes characters \"``!``\", words "
"\"``rabbit``\", names \"``Paris``\", sentences \"``Got your back.``\", etc. "
"\"``Yay! :)``\". They can be enclosed in single quotes (``'...'``) or double "
"quotes (``\"...\"``) with the same result [#]_."
msgstr ""
"Python puede manipular texto (representado por el tipo :class:`str`, "
"conocido como \"cadenas de caracteres\") al igual que números. Esto incluye "
"caracteres \"``!``\", palabras \"``conejo``\", nombres \"``París``\", "
"oraciones \"``¡Te tengo a la vista!``\", etc. \"``Yay! :)``\". Se pueden "
"encerrar en comillas simples (``'...'``) o comillas dobles (``\"...\"``) con "
"el mismo resultado [#]_."

#: ../Doc/tutorial/introduction.rst:149
msgid ""
">>> 'spam eggs'  # single quotes\n"
"'spam eggs'\n"
">>> \"Paris rabbit got your back :)! Yay!\"  # double quotes\n"
"'Paris rabbit got your back :)! Yay!'\n"
">>> '1975'  # digits and numerals enclosed in quotes are also strings\n"
"'1975'"
msgstr ""

#: ../Doc/tutorial/introduction.rst:158
msgid ""
"To quote a quote, we need to \"escape\" it, by preceding it with ``\\``. "
"Alternatively, we can use the other type of quotation marks::"
msgstr ""
"Para citar una cita, debemos \"escapar\" la cita precediéndola con ``\\``. "
"Alternativamente, podemos usar el otro tipo de comillas::"

#: ../Doc/tutorial/introduction.rst:161
msgid ""
">>> 'doesn\\'t'  # use \\' to escape the single quote...\n"
"\"doesn't\"\n"
">>> \"doesn't\"  # ...or use double quotes instead\n"
"\"doesn't\"\n"
">>> '\"Yes,\" they said.'\n"
"'\"Yes,\" they said.'\n"
">>> \"\\\"Yes,\\\" they said.\"\n"
"'\"Yes,\" they said.'\n"
">>> '\"Isn\\'t,\" they said.'\n"
"'\"Isn\\'t,\" they said.'"
msgstr ""

#: ../Doc/tutorial/introduction.rst:172
msgid ""
"In the Python shell, the string definition and output string can look "
"different.  The :func:`print` function produces a more readable output, by "
"omitting the enclosing quotes and by printing escaped and special "
"characters::"
msgstr ""
"En el intérprete de Python, la definición de cadena y la cadena de salida "
"pueden verse diferentes. La función :func:`print` produce una salida más "
"legible, omitiendo las comillas de encuadre e imprimiendo caracteres "
"escapados y especiales::"

#: ../Doc/tutorial/introduction.rst:176
msgid ""
">>> s = 'First line.\\nSecond line.'  # \\n means newline\n"
">>> s  # without print(), special characters are included in the string\n"
"'First line.\\nSecond line.'\n"
">>> print(s)  # with print(), special characters are interpreted, so \\n "
"produces new line\n"
"First line.\n"
"Second line."
msgstr ""

#: ../Doc/tutorial/introduction.rst:183
msgid ""
"If you don't want characters prefaced by ``\\`` to be interpreted as special "
"characters, you can use *raw strings* by adding an ``r`` before the first "
"quote::"
msgstr ""
"Si no quieres que los caracteres precedidos por ``\\`` se interpreten como "
"caracteres especiales, puedes usar *cadenas sin formato* agregando una ``r`` "
"antes de la primera comilla::"

#: ../Doc/tutorial/introduction.rst:187
msgid ""
">>> print('C:\\some\\name')  # here \\n means newline!\n"
"C:\\some\n"
"ame\n"
">>> print(r'C:\\some\\name')  # note the r before the quote\n"
"C:\\some\\name"
msgstr ""

#: ../Doc/tutorial/introduction.rst:193
msgid ""
"There is one subtle aspect to raw strings: a raw string may not end in an "
"odd number of ``\\`` characters; see :ref:`the FAQ entry <faq-programming-"
"raw-string-backslash>` for more information and workarounds."
msgstr ""
"Hay un aspecto sutil en las cadenas sin formato: una cadena sin formato no "
"puede terminar en un número impar de caracteres ``\\``; consultar :ref:`en "
"preguntas frequentes <faq-programming-raw-string-backslash>` para obtener "
"más información y soluciones."

#: ../Doc/tutorial/introduction.rst:198
#, fuzzy
msgid ""
"String literals can span multiple lines.  One way is using triple-quotes: "
"``\"\"\"...\"\"\"`` or ``'''...'''``.  End-of-line characters are "
"automatically included in the string, but it's possible to prevent this by "
"adding a ``\\`` at the end of the line.  In the following example, the "
"initial newline is not included::"
msgstr ""
"Las cadenas de texto literales pueden contener múltiples líneas. Una forma "
"es usar triples comillas: ``\"\"\"...\"\"\"`` o ``'''...'''``. Los fin de "
"línea son incluidos automáticamente, pero es posible prevenir esto agregando "
"una ``\\`` al final de la línea. Por ejemplo:"

#: ../Doc/tutorial/introduction.rst:204
msgid ""
">>> print(\"\"\"\\\n"
"... Usage: thingy [OPTIONS]\n"
"...      -h                        Display this usage message\n"
"...      -H hostname               Hostname to connect to\n"
"... \"\"\")\n"
"Usage: thingy [OPTIONS]\n"
"     -h                        Display this usage message\n"
"     -H hostname               Hostname to connect to\n"
"\n"
">>>"
msgstr ""

#: ../Doc/tutorial/introduction.rst:215
msgid ""
"Strings can be concatenated (glued together) with the ``+`` operator, and "
"repeated with ``*``::"
msgstr ""
"Las cadenas se pueden concatenar (pegar juntas) con el operador ``+`` y se "
"pueden repetir con ``*``::"

#: ../Doc/tutorial/introduction.rst:218
msgid ""
">>> # 3 times 'un', followed by 'ium'\n"
">>> 3 * 'un' + 'ium'\n"
"'unununium'"
msgstr ""

#: ../Doc/tutorial/introduction.rst:222
msgid ""
"Two or more *string literals* (i.e. the ones enclosed between quotes) next "
"to each other are automatically concatenated. ::"
msgstr ""
"Dos o más *cadenas literales* (es decir, las encerradas entre comillas) una "
"al lado de la otra se concatenan automáticamente. ::"

#: ../Doc/tutorial/introduction.rst:225
msgid ""
">>> 'Py' 'thon'\n"
"'Python'"
msgstr ""

#: ../Doc/tutorial/introduction.rst:228
msgid ""
"This feature is particularly useful when you want to break long strings::"
msgstr ""
"Esta característica es particularmente útil cuando quieres dividir cadenas "
"largas::"

#: ../Doc/tutorial/introduction.rst:230
msgid ""
">>> text = ('Put several strings within parentheses '\n"
"...         'to have them joined together.')\n"
">>> text\n"
"'Put several strings within parentheses to have them joined together.'"
msgstr ""

#: ../Doc/tutorial/introduction.rst:235
msgid ""
"This only works with two literals though, not with variables or expressions::"
msgstr ""
"Esto solo funciona con dos literales, no con variables ni expresiones::"

#: ../Doc/tutorial/introduction.rst:237
msgid ""
">>> prefix = 'Py'\n"
">>> prefix 'thon'  # can't concatenate a variable and a string literal\n"
"  File \"<stdin>\", line 1\n"
"    prefix 'thon'\n"
"           ^^^^^^\n"
"SyntaxError: invalid syntax\n"
">>> ('un' * 3) 'ium'\n"
"  File \"<stdin>\", line 1\n"
"    ('un' * 3) 'ium'\n"
"               ^^^^^\n"
"SyntaxError: invalid syntax"
msgstr ""

#: ../Doc/tutorial/introduction.rst:249
msgid ""
"If you want to concatenate variables or a variable and a literal, use ``+``::"
msgstr ""
"Si quieres concatenar variables o una variable y un literal, usa ``+``::"

#: ../Doc/tutorial/introduction.rst:251
msgid ""
">>> prefix + 'thon'\n"
"'Python'"
msgstr ""

#: ../Doc/tutorial/introduction.rst:254
msgid ""
"Strings can be *indexed* (subscripted), with the first character having "
"index 0. There is no separate character type; a character is simply a string "
"of size one::"
msgstr ""
"Las cadenas de texto se pueden *indexar* (subíndices), el primer carácter de "
"la cadena tiene el índice 0. No hay un tipo de dato diferente para los "
"caracteres; un carácter es simplemente una cadena de longitud uno::"

#: ../Doc/tutorial/introduction.rst:258
msgid ""
">>> word = 'Python'\n"
">>> word[0]  # character in position 0\n"
"'P'\n"
">>> word[5]  # character in position 5\n"
"'n'"
msgstr ""

#: ../Doc/tutorial/introduction.rst:264
msgid ""
"Indices may also be negative numbers, to start counting from the right::"
msgstr ""
"Los índices también pueden ser números negativos, para empezar a contar "
"desde la derecha::"

#: ../Doc/tutorial/introduction.rst:266
msgid ""
">>> word[-1]  # last character\n"
"'n'\n"
">>> word[-2]  # second-last character\n"
"'o'\n"
">>> word[-6]\n"
"'P'"
msgstr ""

#: ../Doc/tutorial/introduction.rst:273
msgid "Note that since -0 is the same as 0, negative indices start from -1."
msgstr ""
"Nótese que -0 es lo mismo que 0, los índice negativos comienzan desde -1."

#: ../Doc/tutorial/introduction.rst:275
msgid ""
"In addition to indexing, *slicing* is also supported.  While indexing is "
"used to obtain individual characters, *slicing* allows you to obtain a "
"substring::"
msgstr ""
"Además de los índices, las *rebanadas* (slicing) también están soportadas. "
"Mientras que la indexación se utiliza para obtener caracteres individuales, "
"*rebanar* te permite obtener una subcadena::"

#: ../Doc/tutorial/introduction.rst:278
msgid ""
">>> word[0:2]  # characters from position 0 (included) to 2 (excluded)\n"
"'Py'\n"
">>> word[2:5]  # characters from position 2 (included) to 5 (excluded)\n"
"'tho'"
msgstr ""

#: ../Doc/tutorial/introduction.rst:283
msgid ""
"Slice indices have useful defaults; an omitted first index defaults to zero, "
"an omitted second index defaults to the size of the string being sliced. ::"
msgstr ""
"Los índices de las rebanadas tienen valores por defecto útiles; el valor por "
"defecto para el primer índice es cero, el valor por defecto para el segundo "
"índice es la longitud de la cadena a rebanar. ::"

#: ../Doc/tutorial/introduction.rst:286
msgid ""
">>> word[:2]   # character from the beginning to position 2 (excluded)\n"
"'Py'\n"
">>> word[4:]   # characters from position 4 (included) to the end\n"
"'on'\n"
">>> word[-2:]  # characters from the second-last (included) to the end\n"
"'on'"
msgstr ""

#: ../Doc/tutorial/introduction.rst:293
msgid ""
"Note how the start is always included, and the end always excluded.  This "
"makes sure that ``s[:i] + s[i:]`` is always equal to ``s``::"
msgstr ""
"Nótese cómo el inicio siempre se incluye y el final siempre se excluye. Esto "
"asegura que ``s[:i] + s[i:]`` siempre sea igual a ``s``::"

#: ../Doc/tutorial/introduction.rst:296
msgid ""
">>> word[:2] + word[2:]\n"
"'Python'\n"
">>> word[:4] + word[4:]\n"
"'Python'"
msgstr ""

#: ../Doc/tutorial/introduction.rst:301
msgid ""
"One way to remember how slices work is to think of the indices as pointing "
"*between* characters, with the left edge of the first character numbered 0. "
"Then the right edge of the last character of a string of *n* characters has "
"index *n*, for example::"
msgstr ""
"Una forma de recordar cómo funcionan las rebanadas es pensar que los índices "
"apuntan *entre* caracteres, con el borde izquierdo del primer carácter "
"numerado 0. Luego, el punto derecho del último carácter de una cadena de *n* "
"caracteres tiene un índice *n*, por ejemplo ::"

#: ../Doc/tutorial/introduction.rst:306
msgid ""
" +---+---+---+---+---+---+\n"
" | P | y | t | h | o | n |\n"
" +---+---+---+---+---+---+\n"
" 0   1   2   3   4   5   6\n"
"-6  -5  -4  -3  -2  -1"
msgstr ""

#: ../Doc/tutorial/introduction.rst:312
msgid ""
"The first row of numbers gives the position of the indices 0...6 in the "
"string; the second row gives the corresponding negative indices. The slice "
"from *i* to *j* consists of all characters between the edges labeled *i* and "
"*j*, respectively."
msgstr ""
"La primera fila de números da la posición de los índices 0...6 en la cadena; "
"La segunda fila da los correspondientes indices negativos. La rebanada desde "
"*i* hasta *j* consta de todos los caracteres entre los bordes etiquetados "
"*i* y *j*, respectivamente."

#: ../Doc/tutorial/introduction.rst:317
msgid ""
"For non-negative indices, the length of a slice is the difference of the "
"indices, if both are within bounds.  For example, the length of "
"``word[1:3]`` is 2."
msgstr ""
"Para índices no negativos, la longitud de la rebanada es la diferencia de "
"los índices, si ambos están dentro de los límites. Por ejemplo, la longitud "
"de ``word[1:3]`` es 2."

#: ../Doc/tutorial/introduction.rst:321
msgid "Attempting to use an index that is too large will result in an error::"
msgstr "Intentar usar un índice que es muy grande resultará en un error::"

#: ../Doc/tutorial/introduction.rst:323
msgid ""
">>> word[42]  # the word only has 6 characters\n"
"Traceback (most recent call last):\n"
"  File \"<stdin>\", line 1, in <module>\n"
"IndexError: string index out of range"
msgstr ""

#: ../Doc/tutorial/introduction.rst:328
msgid ""
"However, out of range slice indexes are handled gracefully when used for "
"slicing::"
msgstr ""
"Sin embargo, los índices de rebanadas fuera de rango se manejan "
"satisfactoriamente cuando se usan para rebanar::"

#: ../Doc/tutorial/introduction.rst:331
msgid ""
">>> word[4:42]\n"
"'on'\n"
">>> word[42:]\n"
"''"
msgstr ""

#: ../Doc/tutorial/introduction.rst:336
msgid ""
"Python strings cannot be changed --- they are :term:`immutable`. Therefore, "
"assigning to an indexed position in the string results in an error::"
msgstr ""
"Las cadenas de Python no se pueden modificar, son :term:`immutable`. Por "
"eso, asignar a una posición indexada de la cadena resulta en un error:"

#: ../Doc/tutorial/introduction.rst:339
msgid ""
">>> word[0] = 'J'\n"
"Traceback (most recent call last):\n"
"  File \"<stdin>\", line 1, in <module>\n"
"TypeError: 'str' object does not support item assignment\n"
">>> word[2:] = 'py'\n"
"Traceback (most recent call last):\n"
"  File \"<stdin>\", line 1, in <module>\n"
"TypeError: 'str' object does not support item assignment"
msgstr ""

#: ../Doc/tutorial/introduction.rst:348
msgid "If you need a different string, you should create a new one::"
msgstr "Si necesitas una cadena diferente, deberías crear una nueva::"

#: ../Doc/tutorial/introduction.rst:350
msgid ""
">>> 'J' + word[1:]\n"
"'Jython'\n"
">>> word[:2] + 'py'\n"
"'Pypy'"
msgstr ""

#: ../Doc/tutorial/introduction.rst:355
msgid "The built-in function :func:`len` returns the length of a string::"
msgstr "La función incorporada :func:`len` retorna la longitud de una cadena::"

#: ../Doc/tutorial/introduction.rst:357
msgid ""
">>> s = 'supercalifragilisticexpialidocious'\n"
">>> len(s)\n"
"34"
msgstr ""

#: ../Doc/tutorial/introduction.rst:364
msgid ":ref:`textseq`"
msgstr ":ref:`textseq`"

#: ../Doc/tutorial/introduction.rst:365
msgid ""
"Strings are examples of *sequence types*, and support the common operations "
"supported by such types."
msgstr ""
"Las cadenas de texto son ejemplos de *tipos secuencias* y soportan las "
"operaciones comunes para esos tipos."

#: ../Doc/tutorial/introduction.rst:368
msgid ":ref:`string-methods`"
msgstr ":ref:`string-methods`"

#: ../Doc/tutorial/introduction.rst:369
msgid ""
"Strings support a large number of methods for basic transformations and "
"searching."
msgstr ""
"Las cadenas de texto soportan una gran cantidad de métodos para "
"transformaciones básicas y búsqueda."

#: ../Doc/tutorial/introduction.rst:372
msgid ":ref:`f-strings`"
msgstr ":ref:`f-strings`"

#: ../Doc/tutorial/introduction.rst:373
msgid "String literals that have embedded expressions."
msgstr "Literales de cadena que tienen expresiones embebidas."

#: ../Doc/tutorial/introduction.rst:375
msgid ":ref:`formatstrings`"
msgstr ":ref:`formatstrings`"

#: ../Doc/tutorial/introduction.rst:376
msgid "Information about string formatting with :meth:`str.format`."
msgstr ""
"Aquí se da información sobre formateo de cadenas de texto con :meth:`str."
"format`."

#: ../Doc/tutorial/introduction.rst:378
msgid ":ref:`old-string-formatting`"
msgstr ":ref:`old-string-formatting`"

#: ../Doc/tutorial/introduction.rst:379
msgid ""
"The old formatting operations invoked when strings are the left operand of "
"the ``%`` operator are described in more detail here."
msgstr ""
"Aquí se describen con más detalle las antiguas operaciones para formateo "
"utilizadas cuando una cadena de texto está a la izquierda del operador ``%``."

#: ../Doc/tutorial/introduction.rst:386
msgid "Lists"
msgstr "Listas"

#: ../Doc/tutorial/introduction.rst:388
msgid ""
"Python knows a number of *compound* data types, used to group together other "
"values.  The most versatile is the *list*, which can be written as a list of "
"comma-separated values (items) between square brackets.  Lists might contain "
"items of different types, but usually the items all have the same type. ::"
msgstr ""
"Python tiene varios tipos de datos *compuestos*, utilizados para agrupar "
"otros valores. El más versátil es la *lista*, la cual puede ser escrita como "
"una lista de valores separados por coma (ítems) entre corchetes. Las listas "
"pueden contener ítems de diferentes tipos, pero usualmente los ítems son del "
"mismo tipo. ::"

#: ../Doc/tutorial/introduction.rst:393
msgid ""
">>> squares = [1, 4, 9, 16, 25]\n"
">>> squares\n"
"[1, 4, 9, 16, 25]"
msgstr ""

#: ../Doc/tutorial/introduction.rst:397
msgid ""
"Like strings (and all other built-in :term:`sequence` types), lists can be "
"indexed and sliced::"
msgstr ""
"Al igual que las cadenas (y todas las demás tipos integrados :term:"
"`sequence`), las listas se pueden indexar y segmentar:"

#: ../Doc/tutorial/introduction.rst:400
msgid ""
">>> squares[0]  # indexing returns the item\n"
"1\n"
">>> squares[-1]\n"
"25\n"
">>> squares[-3:]  # slicing returns a new list\n"
"[9, 16, 25]"
msgstr ""

#: ../Doc/tutorial/introduction.rst:407
msgid "Lists also support operations like concatenation::"
msgstr "Las listas también admiten operaciones como concatenación::"

#: ../Doc/tutorial/introduction.rst:409
msgid ""
">>> squares + [36, 49, 64, 81, 100]\n"
"[1, 4, 9, 16, 25, 36, 49, 64, 81, 100]"
msgstr ""

#: ../Doc/tutorial/introduction.rst:412
msgid ""
"Unlike strings, which are :term:`immutable`, lists are a :term:`mutable` "
"type, i.e. it is possible to change their content::"
msgstr ""
"A diferencia de las cadenas, que son :term:`immutable`, las listas son de "
"tipo :term:`mutable`, es decir, es posible cambiar su contenido::"

#: ../Doc/tutorial/introduction.rst:415
msgid ""
">>> cubes = [1, 8, 27, 65, 125]  # something's wrong here\n"
">>> 4 ** 3  # the cube of 4 is 64, not 65!\n"
"64\n"
">>> cubes[3] = 64  # replace the wrong value\n"
">>> cubes\n"
"[1, 8, 27, 64, 125]"
msgstr ""

#: ../Doc/tutorial/introduction.rst:422
#, fuzzy
msgid ""
"You can also add new items at the end of the list, by using the :meth:`list."
"append` *method* (we will see more about methods later)::"
msgstr ""
"También puede agregar nuevos elementos al final de la lista, utilizando el "
"*método* :meth:`~list.append` (vamos a ver más sobre los métodos luego)::"

#: ../Doc/tutorial/introduction.rst:425
msgid ""
">>> cubes.append(216)  # add the cube of 6\n"
">>> cubes.append(7 ** 3)  # and the cube of 7\n"
">>> cubes\n"
"[1, 8, 27, 64, 125, 216, 343]"
msgstr ""

#: ../Doc/tutorial/introduction.rst:430
msgid ""
"Simple assignment in Python never copies data. When you assign a list to a "
"variable, the variable refers to the *existing list*. Any changes you make "
"to the list through one variable will be seen through all other variables "
"that refer to it.::"
msgstr ""

#: ../Doc/tutorial/introduction.rst:435
msgid ""
">>> rgb = [\"Red\", \"Green\", \"Blue\"]\n"
">>> rgba = rgb\n"
">>> id(rgb) == id(rgba)  # they reference the same object\n"
"True\n"
">>> rgba.append(\"Alph\")\n"
">>> rgb\n"
"[\"Red\", \"Green\", \"Blue\", \"Alph\"]"
msgstr ""

#: ../Doc/tutorial/introduction.rst:443
msgid ""
"All slice operations return a new list containing the requested elements.  "
"This means that the following slice returns a :ref:`shallow copy "
"<shallow_vs_deep_copy>` of the list::"
msgstr ""
"Todas las operaciones de rebanado retornan una nueva lista que contiene los "
"elementos pedidos. Esto significa que la siguiente rebanada retorna una :ref:"
"`shallow copy <shallow_vs_deep_copy>` de la lista::"

#: ../Doc/tutorial/introduction.rst:447
msgid ""
">>> correct_rgba = rgba[:]\n"
">>> correct_rgba[-1] = \"Alpha\"\n"
">>> correct_rgba\n"
"[\"Red\", \"Green\", \"Blue\", \"Alpha\"]\n"
">>> rgba\n"
"[\"Red\", \"Green\", \"Blue\", \"Alph\"]"
msgstr ""

#: ../Doc/tutorial/introduction.rst:454
msgid ""
"Assignment to slices is also possible, and this can even change the size of "
"the list or clear it entirely::"
msgstr ""
"También es posible asignar a una rebanada, y esto incluso puede cambiar la "
"longitud de la lista o vaciarla totalmente::"

#: ../Doc/tutorial/introduction.rst:457
msgid ""
">>> letters = ['a', 'b', 'c', 'd', 'e', 'f', 'g']\n"
">>> letters\n"
"['a', 'b', 'c', 'd', 'e', 'f', 'g']\n"
">>> # replace some values\n"
">>> letters[2:5] = ['C', 'D', 'E']\n"
">>> letters\n"
"['a', 'b', 'C', 'D', 'E', 'f', 'g']\n"
">>> # now remove them\n"
">>> letters[2:5] = []\n"
">>> letters\n"
"['a', 'b', 'f', 'g']\n"
">>> # clear the list by replacing all the elements with an empty list\n"
">>> letters[:] = []\n"
">>> letters\n"
"[]"
msgstr ""

#: ../Doc/tutorial/introduction.rst:473
msgid "The built-in function :func:`len` also applies to lists::"
msgstr "La función predefinida :func:`len` también sirve para las listas ::"

#: ../Doc/tutorial/introduction.rst:475
msgid ""
">>> letters = ['a', 'b', 'c', 'd']\n"
">>> len(letters)\n"
"4"
msgstr ""

#: ../Doc/tutorial/introduction.rst:479
msgid ""
"It is possible to nest lists (create lists containing other lists), for "
"example::"
msgstr ""
"Es posible anidar listas (crear listas que contengan otras listas), por "
"ejemplo::"

#: ../Doc/tutorial/introduction.rst:482
msgid ""
">>> a = ['a', 'b', 'c']\n"
">>> n = [1, 2, 3]\n"
">>> x = [a, n]\n"
">>> x\n"
"[['a', 'b', 'c'], [1, 2, 3]]\n"
">>> x[0]\n"
"['a', 'b', 'c']\n"
">>> x[0][1]\n"
"'b'"
msgstr ""

#: ../Doc/tutorial/introduction.rst:495
msgid "First Steps Towards Programming"
msgstr "Primeros pasos hacia la programación"

#: ../Doc/tutorial/introduction.rst:497
#, fuzzy
msgid ""
"Of course, we can use Python for more complicated tasks than adding two and "
"two together.  For instance, we can write an initial sub-sequence of the "
"`Fibonacci series <https://en.wikipedia.org/wiki/Fibonacci_sequence>`_ as "
"follows::"
msgstr ""
"Por supuesto, podemos usar Python para tareas más complicadas que sumar dos "
"más dos. Por ejemplo, podemos escribir una parte inicial de la `serie de "
"Fibonacci <https://es.wikipedia.org/wiki/Sucesión_de_Fibonacci>`_ así::"

#: ../Doc/tutorial/introduction.rst:502
msgid ""
">>> # Fibonacci series:\n"
">>> # the sum of two elements defines the next\n"
">>> a, b = 0, 1\n"
">>> while a < 10:\n"
"...     print(a)\n"
"...     a, b = b, a+b\n"
"...\n"
"0\n"
"1\n"
"1\n"
"2\n"
"3\n"
"5\n"
"8"
msgstr ""

#: ../Doc/tutorial/introduction.rst:517
msgid "This example introduces several new features."
msgstr "Este ejemplo introduce varias características nuevas."

#: ../Doc/tutorial/introduction.rst:519
msgid ""
"The first line contains a *multiple assignment*: the variables ``a`` and "
"``b`` simultaneously get the new values 0 and 1.  On the last line this is "
"used again, demonstrating that the expressions on the right-hand side are "
"all evaluated first before any of the assignments take place.  The right-"
"hand side expressions are evaluated  from the left to the right."
msgstr ""
"La primera línea contiene una *asignación múltiple*: las variables ``a`` y "
"``b`` obtienen simultáneamente los nuevos valores 0 y 1. En la última línea "
"esto se usa nuevamente, demostrando que las expresiones de la derecha son "
"evaluadas primero antes de que se realice cualquiera de las asignaciones. "
"Las expresiones del lado derecho se evalúan de izquierda a derecha."

#: ../Doc/tutorial/introduction.rst:525
msgid ""
"The :keyword:`while` loop executes as long as the condition (here: ``a < "
"10``) remains true.  In Python, like in C, any non-zero integer value is "
"true; zero is false.  The condition may also be a string or list value, in "
"fact any sequence; anything with a non-zero length is true, empty sequences "
"are false.  The test used in the example is a simple comparison.  The "
"standard comparison operators are written the same as in C: ``<`` (less "
"than), ``>`` (greater than), ``==`` (equal to), ``<=`` (less than or equal "
"to), ``>=`` (greater than or equal to) and ``!=`` (not equal to)."
msgstr ""
"El bucle :keyword:`while` se ejecuta mientras la condición (aquí: ``a < "
"10``) sea verdadera. En Python, como en C, cualquier valor entero que no sea "
"cero es verdadero; cero es falso. La condición también puede ser una cadena "
"de texto o una lista, de hecho, cualquier secuencia; cualquier cosa con una "
"longitud distinta de cero es verdadera, las secuencias vacías son falsas. La "
"prueba utilizada en el ejemplo es una comparación simple. Los operadores de "
"comparación estándar se escriben igual que en C: ``<`` (menor que), ``>`` "
"(mayor que), ``==`` (igual a), ``<=`` (menor que o igual a), ``>=`` (mayor "
"que o igual a) y ``!=`` (distinto a)."

#: ../Doc/tutorial/introduction.rst:534
msgid ""
"The *body* of the loop is *indented*: indentation is Python's way of "
"grouping statements.  At the interactive prompt, you have to type a tab or "
"space(s) for each indented line.  In practice you will prepare more "
"complicated input for Python with a text editor; all decent text editors "
"have an auto-indent facility.  When a compound statement is entered "
"interactively, it must be followed by a blank line to indicate completion "
"(since the parser cannot guess when you have typed the last line).  Note "
"that each line within a basic block must be indented by the same amount."
msgstr ""
"El cuerpo del bucle está *indentado*: la indentación es la forma que usa "
"Python para agrupar declaraciones. En el intérprete interactivo debes "
"teclear un tabulador o espacio(s) para cada línea indentada. En la práctica "
"vas a preparar entradas más complicadas para Python con un editor de texto; "
"todos los editores de texto modernos tienen la facilidad de agregar la "
"indentación automáticamente. Cuando se ingresa una instrucción compuesta de "
"forma interactiva, se debe finalizar con una línea en blanco para indicar "
"que está completa (ya que el analizador no puede adivinar cuando tecleaste "
"la última línea). Nota que cada línea de un bloque básico debe estar "
"sangrada de la misma forma."

#: ../Doc/tutorial/introduction.rst:543
#, fuzzy
msgid ""
"The :func:`print` function writes the value of the argument(s) it is given. "
"It differs from just writing the expression you want to write (as we did "
"earlier in the calculator examples) in the way it handles multiple "
"arguments, floating-point quantities, and strings.  Strings are printed "
"without quotes, and a space is inserted between items, so you can format "
"things nicely, like this::"
msgstr ""
"La función :func:`print` escribe el valor de los argumentos que se le dan. "
"Difiere de simplemente escribir la expresión que se quiere mostrar (como "
"hicimos antes en los ejemplos de la calculadora) en la forma en que maneja "
"múltiples argumentos, cantidades de punto flotante, y cadenas. Las cadenas "
"de texto son impresas sin comillas y un espacio en blanco se inserta entre "
"los elementos, así puedes formatear cosas de una forma agradable::"

#: ../Doc/tutorial/introduction.rst:550
msgid ""
">>> i = 256*256\n"
">>> print('The value of i is', i)\n"
"The value of i is 65536"
msgstr ""

#: ../Doc/tutorial/introduction.rst:554
msgid ""
"The keyword argument *end* can be used to avoid the newline after the "
"output, or end the output with a different string::"
msgstr ""
"El parámetro nombrado *end* puede usarse para evitar el salto de linea al "
"final de la salida, o terminar la salida con una cadena diferente:"

#: ../Doc/tutorial/introduction.rst:557
msgid ""
">>> a, b = 0, 1\n"
">>> while a < 1000:\n"
"...     print(a, end=',')\n"
"...     a, b = b, a+b\n"
"...\n"
"0,1,1,2,3,5,8,13,21,34,55,89,144,233,377,610,987,"
msgstr ""

#: ../Doc/tutorial/introduction.rst:566
msgid "Footnotes"
msgstr "Notas al pie"

#: ../Doc/tutorial/introduction.rst:567
msgid ""
"Since ``**`` has higher precedence than ``-``, ``-3**2`` will be interpreted "
"as ``-(3**2)`` and thus result in ``-9``.  To avoid this and get ``9``, you "
"can use ``(-3)**2``."
msgstr ""
"Debido a que ``**`` tiene una prioridad mayor que ``-``, ``-3**2`` se "
"interpretará como ``-(3**2)``, por lo tanto dará como resultado ``-9``. Para "
"evitar esto y obtener ``9``, puedes usar ``(-3)**2``."

#: ../Doc/tutorial/introduction.rst:571
msgid ""
"Unlike other languages, special characters such as ``\\n`` have the same "
"meaning with both single (``'...'``) and double (``\"...\"``) quotes. The "
"only difference between the two is that within single quotes you don't need "
"to escape ``\"`` (but you have to escape ``\\'``) and vice versa."
msgstr ""
"A diferencia de otros lenguajes, caracteres especiales como ``\\n`` tienen "
"el mismo significado con simple(``'...'``) y dobles (``\"...\"``) comillas. "
"La única diferencia entre las dos es que dentro de las comillas simples no "
"existe la necesidad de escapar ``\"`` (pero tienes que escapar ``\\'``) y "
"viceversa."

#: ../Doc/tutorial/introduction.rst:20
msgid "# (hash)"
msgstr "# (hash)"

#: ../Doc/tutorial/introduction.rst:20
msgid "comment"
msgstr "comentario"

#~ msgid ""
#~ "produces the following output (note that the initial newline is not "
#~ "included):"
#~ msgstr ""
#~ "produce la siguiente salida (tener en cuenta que la línea inicial no está "
#~ "incluida):"