Learning Path ⋅ Skills: Python, Functions, Scope, Arguments, Parameters, Return, Globals
Enhance your Python skills by mastering functions and scope. This path covers defining functions, optional arguments, special parameters, return statements, None, namespaces, and global variables. Perfect for writing cleaner, more efficient code.
Learning Path ⋅ 7 Resources
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Course
Defining and Calling Python FunctionsLearn how to define and call your own Python function. You'll also learn about passing data to your function and returning data from your function back to its calling environment.
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Using the Python return Statement EffectivelyLearn how to use the Python return statement when writing functions. Additionally, you'll cover some good programming practices related to the use of return. With this knowledge, you'll be able to write readable, robust, and maintainable functions in Python.
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Course
Python's None: Null in PythonLearn about the NoneType object None, which acts as the null in Python. This object represents emptiness, and you can use it to mark default parameters and even show when you have no result. None is a tool for doing everything with nothing!
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Navigating Namespaces and Scope in PythonLearn about Python namespaces, the structures used to store and organize the symbolic names created during execution of a Python program. You'll learn when namespaces are created, how they are implemented, and how they define variable scope.
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Working With Global Variables in Python FunctionsLearn how to use global variables in Python functions using the global keyword or the built-in globals() function. You'll also learn a few strategies to avoid relying on global variables because they can lead to code that's difficult to understand, debug, and maintain.
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