Python: Functions

This documentation is part of the Learning Python guide. View the full guide here: A comprehensive Python guide.

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Functions encapsulate code into reusable blocks that can accept inputs (arguments) and return outputs. They are defined using the def keyword and can be called by their name.

def function_name(argument1, argument2=default_value):
  # do something
  return result

Example:

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

result = add(3, 4)
print(result)  # Output: 7