How does Python deal with memory management? Learn the ins and outs of Python's garbage collection system and how to avoid its pitfalls.

The built-in math library will turn Python into a scientific calculator. You can use the import function to access its functions. import math Suppose you wanted an approximation of pi.

The package provides replacements for many common Python math operations, like min and max, that operate many times faster than the Python originals.

Interpreting math expressions is one of those things that seems simple until you get into it. The first problem is correctly lexing the input — a term that means splitting into tokens.