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Python 201 is the sequel to my first book, Python 101. If you already know the basics of Python and now you want to go to the next level, then this is the book for you! This book is for intermediate level Python programmers only. There won't be any beginner chapters here. This book is based on Python 3.

The book will be broken up into five parts. Here's how:

Part I - Intermediate Modules

Chapter 1 - The argparse module

Chapter 2 - The collections module

Chapter 3 - The contextlib module (Context Managers)

Chapter 4 - The functools module (Function overloading, caching, etc)

Chapter 5 - All about imports

Chapter 6 - The importlib module

Chapter 7 - The itertools module

Chapter 8 - The re module (An Intro to Regex in Python)

Chapter 9 - The typing module (Type Hinting)

Part II - Odds and Ends

Chapter 10 - generators / iterators

Chapter 11 - map, filter, reduce

Chapter 12 - unicode

Chapter 13 - benchmarking

Chapter 14 - encryption

Chapter 15 - Connecting to databases

Chapter 16 - super

Chapter 17 - descriptors (magic methods)

Chapter 18 - Scope (local, global and the new non_local)

Part III - Web

Chapter 19 - Web scraping

Chapter 20 - Working with web APIs

Chapter 21 - ftplib

Chapter 22 - urllib

Part IV - Testing

Chapter 23 - Doctest

Chapter 24 - unittest

Chapter 25 - mock

Chapter 26 - coverage.py

Part V - Concurrency

Chapter 27 - The asyncio module

Chapter 28 - The threading module

Chapter 29 - The multiprocessing module

Chapter 30 - The concurrent.futures module

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