REST APIs with Flask and Python - Functions in Python

This video tutorial introduces the concept of functions in Python, explaining how to define and call them. It covers the creation of callable variables, the importance of indentation, and the separation between defining and running code. The tutorial also highlights common mistakes, such as variable shadowing and using functions before they are defined, providing examples and tips for effective function usage.

What is the purpose of using brackets when calling a function?

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How does Python handle the execution order of function definitions and calls?

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What error occurs if you try to call a function before it is defined?

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Explain how to properly define and call a function that modifies a global variable.

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