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Final commit before Python Basics List Video
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‎Python_Basics/Intro/Python3Basics_Part1.ipynb‎

Lines changed: 60 additions & 36 deletions
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@@ -1150,7 +1150,7 @@
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"Python has a great built-in list type named \"list\". List literals are written within square brackets [ ]. After defining a list, square brackets [ ] are used to access data, with the first element at index 0. Lists are mutable (you are modify a list)"
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"Lists are written within square brackets [ ]"
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]
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},
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{
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},
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{
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"cell_type": "code",
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"execution_count": 12,
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"execution_count": 134,
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"metadata": {
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"collapsed": true
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},
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},
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{
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"cell_type": "code",
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"execution_count": 13,
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"execution_count": 133,
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"metadata": {},
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"outputs": [
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{
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"3"
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]
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},
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"execution_count": 13,
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"execution_count": 133,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"source": [
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"# The first element of a list is at index 0\n",
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"z[0]"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 14,
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"execution_count": 124,
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"metadata": {},
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"outputs": [
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{
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"4"
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]
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},
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"execution_count": 14,
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"execution_count": 124,
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"metadata": {},
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"output_type": "execute_result"
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}
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},
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{
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"cell_type": "code",
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"execution_count": 15,
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"execution_count": 127,
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"metadata": {},
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"outputs": [
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{
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"data": {
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"text/plain": [
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"2"
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"7"
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]
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},
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"execution_count": 15,
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"execution_count": 127,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"source": [
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"# Access Last Element of List \n",
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"z[-1]"
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"z[-3]"
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]
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},
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{
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},
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{
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"cell_type": "code",
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"execution_count": 16,
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"execution_count": 120,
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"metadata": {},
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"outputs": [
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{
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"[3, 7]"
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]
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},
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"execution_count": 16,
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"execution_count": 120,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"source": [
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"# get range of values from list\n",
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"# first index is inclusive (before the :) and last (after the :) is not. \n",
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"# not including index 2\n",
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"z[0:2]"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 174,
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"execution_count": 22,
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"metadata": {},
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"outputs": [
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{
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"[3, 7, 4]"
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]
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},
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"execution_count": 174,
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"execution_count": 22,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"source": [
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"# start to before index 3\n",
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"# everything up to index 3\n",
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"z[:3]"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 175,
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"execution_count": 47,
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"metadata": {},
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"outputs": [
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{
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"[7, 4, 2]"
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]
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},
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"execution_count": 175,
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"execution_count": 47,
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"metadata": {},
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"output_type": "execute_result"
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}
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},
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{
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"cell_type": "code",
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"execution_count": 177,
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"execution_count": 128,
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"metadata": {},
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"outputs": [
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{
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"3"
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]
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},
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"execution_count": 177,
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"execution_count": 128,
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"metadata": {},
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"output_type": "execute_result"
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}
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},
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{
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"cell_type": "code",
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"execution_count": 129,
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"metadata": {},
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"outputs": [
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{
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"0"
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]
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},
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"execution_count": 178,
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"execution_count": 129,
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"metadata": {},
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"output_type": "execute_result"
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}
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},
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{
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"cell_type": "code",
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"execution_count": 179,
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"execution_count": 75,
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"metadata": {},
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"outputs": [
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{
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"3"
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]
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},
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"execution_count": 179,
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"execution_count": 75,
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"metadata": {},
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"output_type": "execute_result"
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}
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},
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{
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"cell_type": "code",
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"execution_count": 181,
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"execution_count": 50,
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"metadata": {
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"collapsed": true
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},
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},
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{
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"cell_type": "code",
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"execution_count": 182,
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"execution_count": 51,
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"metadata": {},
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"outputs": [
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{
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],
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"source": [
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"# Sorting and Altering original list\n",
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"# low to high\n",
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"x.sort()\n",
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"print(x)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 183,
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"execution_count": 52,
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"metadata": {},
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"outputs": [
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{
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],
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"source": [
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"# Sorting and Altering original list\n",
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"# high to low\n",
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"x.sort(reverse = True)\n",
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"print(x)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 184,
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"execution_count": 53,
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"metadata": {},
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"outputs": [
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{
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],
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"source": [
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"# Sorting and Altering original list\n",
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"# A-Z\n",
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"y.sort()\n",
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"print(y)"
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]
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},
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{
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"cell_type": "code",
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"metadata": {},
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{
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],
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"source": [
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"# Sorting and Altering original list\n",
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"# Z-A\n",
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"y.sort(reverse = True)\n",
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"print(y)"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 186,
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"execution_count": 55,
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"metadata": {},
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"outputs": [
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{
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"['Adam', 'Jessica', 'Lester', 'Michael', 'Monica', 'Rachel', 'Steve']"
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]
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},
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"execution_count": 186,
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"execution_count": 55,
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"metadata": {},
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"output_type": "execute_result"
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}
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},
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{
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"cell_type": "code",
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"execution_count": 56,
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"metadata": {},
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"outputs": [
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{
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"['Steve', 'Rachel', 'Monica', 'Michael', 'Lester', 'Jessica', 'Adam']"
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]
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},
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"execution_count": 187,
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"execution_count": 56,
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"metadata": {},
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"output_type": "execute_result"
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}
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},
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{
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"cell_type": "code",
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"execution_count": 188,
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"metadata": {},
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"outputs": [
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{
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"data": {
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"text/plain": [
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"[11, 10, 8, 7, 4, 3, 2]"
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]
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},
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"execution_count": 57,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"source": [
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"x"
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]
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},
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{
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"outputs": [
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{
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},
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"[11, 8, 7, 4, 3, 2, 3]\n"
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"[11, 10, 8, 7, 4, 3, 2, 3]\n"
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]
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}
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],

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