In this tutorial, you'll learn the basics of the C language, which is used in the source code for CPython, the most popular Python implementation. Learning C is important for Python programmers interested in contributing to CPython.| realpython.com
In Python, a tuple is a built-in data type that allows you to create immutable sequences of values. The values or items in a tuple can be of any type. This makes tuples pretty useful in those situations where you need to store heterogeneous data, like that in a database record, for example.| realpython.com
Master real-world Python skills with a community of experts.| realpython.com
Source code: Lib/string.py String constants: The constants defined in this module are: Custom String Formatting: The built-in string class provides the ability to do complex variable substitutions ...| Python documentation