| Built-in Functions | Python 3 Built-in functions |
| cmath | Python 3 Complex Math Functions |
| math | Python 3 Math Library |
| random | Python 3 Random Number Generator |
| re (Regular Expression) | Regular Expression in python |
| requests | Python 3 Requests Library |
| socket | Python 3 socket Functions |
| statistics | Python 3 Statistics Functions |
| urllib.request | Python3 urllib.request |