Python - functions

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In this article, we would like to show you how to create and call a function in Python.

Quick solution:

def my_function():
    print("Hello World!")

my_function()  # Hello World!


1. Create function

In the Quick solution we presented how to create a function without arguments.

In this example, we create a function that takes 2 arguments separated by a comma (ab) and returns the sum of them.

def my_function(a, b):
    return a + b

2. Call function

You can call a function by typing the function name with the parenthesis. If your function takes some arguments, you need to pass them when the function is called (in our example a = 1, b = 2).

def my_function(a, b):
    return a + b

result = my_function(1, 2)
print("result =", result)


result = 3

Alternative titles

  1. Python - how to create and call function
  2. Python - how to define and call function
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Python - fundamentals

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