1) Python Basics
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*Designed by : Guido van Rossum, Netherland
* Developer  : Python Software Foundation
* First appeared : 1990
* OS          : Cross-platform
* License : Python Software Foundation License & GPL(General Public License)
* Type       : OSS(Open Source Software) - Free download and use
* Filename extensions: .py, .pyc, .pyd, .pyo (prior to 3.5),.pyw, .pyz (since 3.5)
* Website : www.python.org
* Paradigm : multi-paradigm: (object-oriented, functional,procedural)
* Derived From : ABC, Modula-3,C,C++,Algol-68,Small Talk & Unix shell