How to Code PYTHON: *Return Function and Variable Scope in Python*
Let's get started! 🔥🔥🔥 In this video, we will write a few PYTHON 🐍 scripts to demonstrate how to define and use functions ♻️. In the examples, we create a function that returns a single value by using the return keyword, then we add a new function that returns a list. Finally, we write a new function that demonstrates variable scope in a function to help you understand the scope of variables declared both inside and outside a function. In this tutorial, you will learn some basics in about 5 minutes!
In this video, you will learn how to:
★ 0:09 Function that returns a value
★ 1:19 Function that returns a list
★ 3:06 Function that demonstrates variable scope in a function
Tips and Tricks:
► Capture the returned value of a function by assigning it to a variable.
► Returned value of a function can also be a list that contains multiple values.
► Scope is a value's accessibility inside and outside a code structure like a function's code block.
► Value cannot be accessed outside the code block of a function in which it was declared and initialized because the variable is hidden and unavailable outside the code block.
► Variables defined outside a function don't affect variables defined inside a function unless your code returns the inside value and then uses it.
WATCH MORE PYTHON TUTORIALS 🐍
• 🐍 Python Coding for Beginners
For the setup, please read the followings before you begin:
1. Download latest Python: https://www.python.org/downloads/
2. Install Python and remember to select "Add Python... to PATH" when asked.
3. Download and install latest Visual Studio Code: https://code.visualstudio.com/Download
4. Install the Python extension for Visual Studio Code: Go to View and select Extensions, or select the Extensions icon, then search for python.
Python - a programming language used by world-class companies such as Amazon.com, Alphabet (Google), Facebook, Twitter, and NASA.
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