PYTHON PROGRAMMING for computer science .pptx

Python overview

1. PYTHON PROGRAMMING Prepared by Mrs.M.Priyakumari

2. Introduction to Python Python is a very popular and easy to learn programming language, created by Guido van Rossum in 1991. It is used in a variety of fields, including software development, web development, scientific computing, big data and Artificial Intelligence

3. Execution Modes There are two ways to run a program using the Python interpreter: a) Interactive mode b) Script mode

4. I nteractive mode Working in the interactive mode is convenient for testing a single line code for instant execution. But in the interactive mode, we cannot save the statements for future use and we have to retype the statements to run them again.

5. Script Mode In the script mode, we can write a Python program in a file, save it and then use the interpreter to execute the program from the file. Such program files have a . py extension and they are also known as scripts. Python scripts can be created using any editor. Python has a built-in editor called IDLE which can be used to create programs