Init Python cookbook

- Command Line Options
- Python Coding Style
- Virtual Running Environment
- PEP
- References
Add Unit Testing in Python
Add own PyUnit in Python
Add .gitignore
Add doc-testing in Python
Add OOP in Python
Add Find & Sort algorithm in Python
Add file I/O in Python
Add unpack iterable in Python
Add context manager in Python
Add Loop Tech in Python
Add function parameters in Python
Add output format in Python
Add text pattern in Python
Add thread in Python
Add network programming in Python