Functions are the building blocks of almost every Python program. They’re where the real action takes place!
NOTE: This course uses Python's IDLE as an code editing tool, if comes with Python installations from python.org, but if you have questions please check out this resource.
• Installing and Setting Up Python - Wi...
In your Python journey, you’ve probably encountered functions such as print(), len(), and round(). These are all built-in functions because they come built into the Python language itself. You can also create user-defined functions that perform specific tasks.
Functions break code into smaller chunks and are great for defining actions that a program will execute several times throughout your code. Instead of writing the same code each time the program needs to perform the same task, just call the function!
This is a portion of the complete course, which you can find here:
https://realpython.com/courses/python...
The rest of the course covers:
Documenting your functions
Writing while and for loops
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