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programmingwithmohammedprogrammingwithmohammed
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Python basic series tutorial code files.
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‎and_or_not_examples.py‎

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# -*- coding: utf-8 -*-
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"""
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Created on Fri Jul 30 00:43:05 2021
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@author: mjach
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"""
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'''AND, OR, NOT examples'''
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# and examples
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#if both are true then and expression will be true
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answer_one = True
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answer_two = True
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#print('True or False :', answer_one and answer_two)
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#if one the variable is false answer will be false
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answer_one = False
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answer_two = True
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#print('\nTrue or False :', answer_one and answer_two)
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#or operator example
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#if one of the varaible is True answer will be true
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answer_one = True
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answer_two = True
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#print('\nTrue or False :', answer_one or answer_two)
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answer_one = False
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answer_two = True
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#print('\nTrue or False :', answer_one or answer_two)
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#if both false the result will be false
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answer_one = False
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answer_two = False
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#print('\nTrue or False :', answer_one or answer_two)
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#not operator examples
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# not represent reverse in boolen
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# if its true will return false, and if it is false will return false
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answer_one = True
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print('\nTrue or False :', not answer_one)
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answer_one = False
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print('\nTrue or False :', not answer_one)

‎break_examples.py‎

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# -*- coding: utf-8 -*-
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"""
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Created on Sat Jul 31 20:19:51 2021
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@author: mjach
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"""
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'''how to use break examples'''
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fruit_list = ['apple', 'banana', 'orange', 'watermelon']
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# for fruit in fruit_list:
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# print(f'The fruit name is :{fruit}')
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# if fruit == 'orange':
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# break
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'''How to do break in while loop'''
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# fruit = 'orange'
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# while True:
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# if fruit in fruit_list:
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# print(f'The fruit is found: {fruit}')
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# break
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'''How to do break in while loop'''
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counter = 0
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while True:
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counter = counter + 1
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if counter == 20:
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print(f'Count has been done to : {counter}')
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break

‎comparisons_examples.py‎

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# -*- coding: utf-8 -*-
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"""
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Created on Thu Jul 29 03:31:58 2021
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@author: mjach
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"""
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'''Comparisions example with numbers '''
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# > greater than sign
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# >= greater than equal to sign
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# < less than sign
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# <= less than equal to sign
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# print('100 < 200 =', 100 < 200)
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# print('100 <= 100 =', 100 <= 100)
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# print('100 < 50 =', 100 < 50)
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# print('100 <= 90 =', 100 <= 90)
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# print('\n') # to get a new line
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# print('200 > 100 =', 200 > 100)
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# print('200 >= 200 =', 200 >= 200)
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# print('200 > 500 =', 200 > 500)
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# print('200 >= 500 =', 200 >= 500)
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# print('-20 is greater than 20 ?:', -20 > 20)
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'''
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Equality
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Comparisions example with equals(==) and not equals(!=)
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will return boolen result either True or False
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'''
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answer_one = 1
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answer_two = 1
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#print('True or False:',answer_one == answer_two)
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answer_one = 5
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answer_two = 1
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#print('True or False:',answer_one != answer_two)
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answer_one = 'apple'
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answer_two = 'apple'
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# print('True or False:',answer_one == answer_two)
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# print('True or False:',answer_one != answer_two)
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'''Identity check
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is or is not key words. (is) is similiar to == and (is not) is similiar to !=
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'''
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fruit_list_one = ['apple', 'banana']
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fruit_list_two = ['apple', 'banana']
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#checking for equality
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#print(fruit_list_one == fruit_list_two) # will give true or false result
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#checking for identity
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# both list has different memory address so when checking for identy
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# it will give false result because both list has different memory address.
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#print(fruit_list_one is fruit_list_two) # will give true or false result
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'''
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is and is not checking for built in types like None, True and False
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'''
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one = True
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print('One is True :',one is True)
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two = False
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print('Two is fasle:',two is False)
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print('Two is not true:', two is not False )

‎continue_examples.py‎

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# -*- coding: utf-8 -*-
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"""
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Created on Sat Jul 31 20:31:51 2021
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@author: mjach
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"""
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'''Continue examples'''
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fruit_list = ['apple', 'banana', 'orange', 'watermelon']
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# for fruit in fruit_list:
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# if fruit == 'orange':
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# continue
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# print(f'The fruit name is :{fruit}')
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'''continue and break togather examples'''
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# for fruit in fruit_list:
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# if len(fruit) !=6:
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# continue
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# print(f'The fruit name is : {fruit}')
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# # if fruit == 'orange':
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# # break
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'''How to use return statement inside the loop'''
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def find_fruit(fruit_name):
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for fruit in fruit_list:
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print(fruit)
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if fruit == 'orange':
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return f'we found out the fruit :{fruit}'
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#calling the function
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print(find_fruit(fruit_list))
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‎dict_examples.py‎

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# -*- coding: utf-8 -*-
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"""
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Created on Thu Jul 29 00:52:42 2021
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@author: mjach
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"""
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'''how to create dict.'''
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my_dict = {} # empty dict
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another_way_dict = dict() # empty dict
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# print('What type is it?', type(my_dict))
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# print('\nWhat type is it?', type(another_way_dict))
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'''how to create dict with items'''
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my_dict_with_items = {1: 'apple', 2: 'banana', 3: 'orange'}
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'''how to find out length of the dict'''
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#print('\nlength of the dict:', len(my_dict_with_items))
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'''how to find out key is exits or not'''
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# print('\nTo find out key exits or not:', 5 in my_dict_with_items)
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# print('\nTo find out key exits or not:', 1 in my_dict_with_items)
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'''how to find out value by the key'''
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# print('\nTo find out the value:', my_dict_with_items[2])
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# #print('\nTo find out the value:', my_dict_with_items[4]) # will throw key error
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# print('\nTo find out the value:', my_dict_with_items.get(4)) # will not throw error but rather it will give none
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'''how to get all the keys and values'''
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print('\nTo get all the keys and values from dict.:', my_dict_with_items.items())
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'''how to get only keys from the dict'''
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print('\nTo get all the keys only from dict.:', my_dict_with_items.keys())
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'''how to get only values from the dict'''
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print('\nTo get all the keys only from dict.:', my_dict_with_items.values())
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'''how to add new items in the dict'''
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my_dict_with_items[6] = 'watermelon' # key value pairs
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print('\nTo add new items in the dict',my_dict_with_items.items())
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'''how to add or update two dict togather'''
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new_dict = {7: 'cucumber', 8: 'carrot'}
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my_dict_with_items.update(new_dict)
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print('\nUpdated dict now :', my_dict_with_items)

‎first_program.py‎

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# -*- coding: utf-8 -*-
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"""
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Created on Thu Jul 15 01:36:38 2021
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@author: mjach
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"""
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print('Hi there')#this is a comment
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# =============================================================================
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# print('Hi there')
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# print('Hi there')
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# print('Hi there')
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# print('Hi there')
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# =============================================================================
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'''
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print('Hi there')
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print('Hi there')
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print('Hi there')
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print('Hi there')
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'''

‎for_loop_examples.py‎

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# -*- coding: utf-8 -*-
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"""
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Created on Fri Jul 30 01:40:11 2021
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@author: mjach
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"""
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'''For look examples'''
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my_fruits_list = ['apple', 'orange', 'banana', 'watermelon']
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#checking is the fruit in my list
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print('Is this fruit in my list?:', 'apple' in my_fruits_list)
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'''for loop example'''
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# for fruit in my_fruits_list:
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# print(f'Fruit name is :{fruit}')
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'''how to use range() function in for loop -
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here range 0 is inclusive I mean 0 will print it will start from 0
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and 4 is exclusive I mean 4 will not print, it will stop to number 3
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'''
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# for number in range(11):
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# print(f'Number is : {number}')
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'''How to print specific number within range
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we can specify start and end.
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here number 1 is inclusiveand
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number 10 is exclusive
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'''
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# for number in range(1, 10):
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# print(f'Here number will print from 1 to 9: {number}')
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'''range() function another use
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specify start, end, increment
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'''
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# for number in range(2, 20, 2):
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# print(f'Number is :{number}')
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'''How to print out the index of the items
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we can use buit in function enumerate
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'''
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# for index, fruit in enumerate(my_fruits_list):
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# print(f'Fruit :{fruit} is at index no : {index}')
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'''how to use for loop in dictionary'''
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my_fruit_dict= {1:'apple', 2:'orange', 3:'banana', 4:'watermelon'}
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# for fruit in my_fruit_dict:
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# print(f'That will return only keys of the dict.: {fruit}')
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for keys, values in my_fruit_dict.items():
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print(f'Fruit :{values} is at {keys} ')

‎functions_python.py‎

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# -*- coding: utf-8 -*-
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"""
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Created on Mon Jul 19 01:38:51 2021
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@author: mjach
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"""
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#simple function example
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def my_function():
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print('Hi it is a function.')
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#function example with arguments
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def function_with_arguments(greeting, name):
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print('Hi, %s, I wish you all the best %s'%(greeting, name))
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# return function example
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def adding_two_numbers(a, b):
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return a + b
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# calling the functions
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my_function() # calling first function
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function_with_arguments('Good morning', 'Mohammed')# calling function with the arguments
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result_two_numbers = adding_two_numbers(5, 4)# calling function that return
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print(result_two_numbers) # print the result of the function

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