How can you import a library in Python?

In Python, libraries are imported using the import statement, which allows you to bring in modules and packages to utilize their functions and classes in your code. When you use import, you can access a library's features directly, thus enhancing your program's functionality by making use of pre-written code.

For instance, if you wanted to use the math library in Python, you would write import math. After this, you can call functions from the math library such as math.sqrt() to calculate the square root. This approach promotes code reusability and organization, as you can leverage many existing libraries for different tasks.

The other options mentioned, such as include, require, and load, are not valid in Python for importing libraries. These statements are used in other programming languages but do not apply to Python's syntax or structure. Using the correct syntax is crucial for successful code execution and leveraging the power of external libraries effectively.