Python_Basics/python_programs/functions_main.py at master · learnbyexample/Python_Basics · GitHub

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#!/usr/bin/python3

# ----- function without arguments -----

def greeting():

print("-----------------------------")

print(" Hello World ")

print("-----------------------------")

# ----- function with arguments -----

def sum_two_numbers(num1, num2):

sum = num1 + num2

print("{} + {} = {}".format(num1, num2, sum))

# ----- function with return value -----

def num_square(num):

return num * num

# ----- main -----

def main():

greeting()

sum_two_numbers(3, 4)

my_num = 3

print(num_square(2))

print(num_square(my_num))

if __name__ == "__main__":

main()

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