# Python Standard Library

The Python Standard Library is a collection of modules that are included with Python. It provides a wide range of functionality, from working with strings and numbers to creating graphical user interfaces.

## Some Important Modules

*   `os`: Provides a way of using operating system dependent functionality.
*   `sys`: Provides access to some variables used or maintained by the interpreter and to functions that interact strongly with the interpreter.
*   `math`: Provides access to the mathematical functions defined by the C standard.
*   `datetime`: Supplies classes for manipulating dates and times.
*   `json`: Provides an easy way to encode and decode JSON data.
*   `re`: Provides regular expression matching operations.