Installing and using Python- Download Python 3  from www.python.org  Now double click on python installer to install the python.Start  Python editor IDLE  to create a python program from the start menu. Python Features- 1.Easy – to – learn. Python “Hello World “  Program: Type the following code in IDLE, press F5 o execute. Print(“Hello World “) Output: Hello World 2.  Good for scientific and mathematical applications To calculate the 2...