Python Functions

Python functions are an essential element of programming in Python. They are reusable pieces of code that perform a specific task and can be called multiple times throughout a program. By using functions, programmers can organize their code, make it more modular, and improve its readability. There are two types of functions in Python: built-in functions, which are provided by Python, and user-defined functions, which are created by the programmer. Built-in functions like print() and len() are ready to use out of the box, while user-defined functions can be customized to suit the specific needs of a program. When writing a Python function, programmers must define the function using the def keyword, provide a name for the function, and specify any parameters that the function will require. Once the function is defined, it can be called by using the function's name and passing in any necessary arguments. Python functions are a powerful tool for automating tasks, reducing redundancy, and improving code efficiency. By mastering functions, programmers can take their Python skills to the next level and create more robust and functional programs.
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