Learn about the functions that programming languages use to write reusable code.

Functions are used to create reusable code. To write a good program, we must divide the tasks into different functions and name them appropriately. Python has some built-in functions like print(), range(), and len() which can be used with other functions. Below are a few advantages of these functions:

  • You can reuse the same code.
  • You can breakdown large code into smaller chunks.
  • You can use the code any number of times.
  • You can avoid rewriting code.
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