Before going to start just try to answer the question .What is a program ? can you answer this question are not? .If not?

A program is a set of instructions written in a sequence that guides the computer to solve a particular task.

Python was renamed after reptile because the reptile has a flexible body as similar as reptile python too is easy , simple and high flexible.

Python is an open source, modern, powerful and high level programming language.

Features of python : These features helps us in many ways

As a coin has head and tail every thing in our surroundings has both advantages and disadvantages. As similarly python too has both advantages and disadvantages.

Advantages :

• Platform-independent Platform-independent
• Readability
• Object-oriented language
• Higher productivity
• Less learning time
• GUI Programming
• Ample availability of libraries
• Syntax highlighting

installing python shows that it is free and open source: