Python programming basics

Python Basics

Python basics step by step examples 

python_basics_goal_end.png

python_basics_goal_start.png

step_1_sequence.py

"""
Execute this file with following command in terminal
> python step_1_sequence.py
"""

print('Table of number 2')

print('2 x 1 = 2')
print('2 x 2 = 4')
print('2 x 3 = 6')
print('2 x 4 = 8')
print('2 x 5 = 10')
print('2 x 6 = 12')
print('2 x 7 = 14')
print('2 x 8 = 16')
print('2 x 9 = 18')
print('2 x 10 = 20')

step_2_variables_and_expressions.py

"""
Execute this file with following command in terminal
> python step_2_variables_and_expressions.py
"""

num = 2

print('Table of number {}'.format(num))

print('{} x 1 = {}'.format(num, num*1))
print('{} x 2 = {}'.format(num, num*2))
print('{} x 3 = {}'.format(num, num*3))
print('{} x 4 = {}'.format(num, num*4))
print('{} x 5 = {}'.format(num, num*5))
print('{} x 6 = {}'.format(num, num*6))
print('{} x 7 = {}'.format(num, num*7))
print('{} x 8 = {}'.format(num, num*8))
print('{} x 9 = {}'.format(num, num*9))
print('{} x 10 = {}'.format(num, num*10))

step_3_iteration.py

"""
Execute this file with following command in terminal
> python step_3_iteration.py
"""

num = 4

print('Table of number {}'.format(num))

for i in range(1, 11):
    print('{} x {} = {}'.format(num, i, num*i) )

step_4_input.py

"""
Execute this file with following command in terminal
> python step_4_input.py
"""

num = int(input('Number to generate table: '))

for i in range(1, 11):
    print('{} x {} = {}'.format(num, i, num*i) )

step_5_selection.py

"""
Execute this file with following command in terminal
> python step_5_selection.py
"""

num = input('Number to generate table: ')

if num.isnumeric() == True:
    num = int(num)
    for i in range(1, 11):
        print('{} x {} = {}'.format(num, i, num*i) )
else:
    print('Wrong input')

step_6_repeat_until_user_terminates.py

"""
Execute this file with following command in terminal
> python step_6_repeat_until_user_terminates.py
"""

terminate = False

while terminate == False:
    
    num = input('Number to generate table: ')

    if num.isnumeric() == True:
        num = int(num)
        for i in range(1, 11):
            print('{} x {} = {}'.format(num, i, num*i) )
    else:
        print('Wrong input')
    
    more = input('Do you want to continue with another number (Y=yes or any other key to terminate)? ')
    terminate = True if more not in ['y', 'Y'] else False

step_7_functions.py

"""
Execute this file with following command in terminal
> python step_7_functions.py
"""

def execute():

    terminate = False

    while terminate == False:
        num = input('Number to generate table: ')

        if num.isnumeric() == True:
            num = int(num)
            print_table(num)
        else:
            print('Wrong input')
        
        
        terminate = should_terminate()

def print_table(num):
    for i in range(1, 11):
        print('{} x {} = {}'.format(num, i, num*i) )

def should_terminate():
    more = input('Do you want to continue with another number (Y=yes or any other key to terminate)? ')
    terminate = True if more not in ['y', 'Y'] else False

    return terminate

execute()

step_8_code_docs.py

"""
Execute this file with following command in terminal
> python step_8_code_docs.py
"""

def execute():
    """
    takes input and prints table for that number
    continues input and output until the user terminates the execution.
    """

    terminate = False

    while terminate == False:
        num = input('Number to generate table: ')

        if num.isnumeric() == True:
            num = int(num)
            print_table(num)
        else:
            print('Wrong input')
        
        
        terminate = should_terminate()

def print_table(num):
    """
    prints the table of number 'num'

    :param num: number of which the table is to be printed
    :type num: int
    """

    for i in range(1, 11):
        print('{} x {} = {}'.format(num, i, num*i) )

def should_terminate():
    """
    Prompts user if or not he wants to continue executing the program
    and takes the input Y/y for yes and any other key for no

    :return: should the program terminate
    :rtype: bool
    """

    more = input('Do you want to continue with another number (Y=yes or any other key to terminate)? ')
    terminate = True if more not in ['y', 'Y'] else False

    return terminate

execute()