Python Functions

  • A function in Python is a block of code that performs a specific task or operation and can be called multiple times within a program.
  • Functions help break your code into smaller and more manageable parts.

syntax for defining a function in Python:

  • def is a keyword that is used to define a function.
  • function_name is the name of the function. It should be a descriptive name that represents what the function does.
  • parameters are optional and allow you to pass data into the function. You can have multiple parameters separated by commas.
  • The code to be executed by the function is indented beneath the definition line.
  • The return keyword is used to return a value from the function.

example of how you could define a function to calculate the average fuel efficiency of a car:

When run, the code outputs:

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