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0001 Python Introduction

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 1.  Python is a programming language. It can be used on a server to create web applications. 2. print("Hello world") Output: Hello World 3. How to find the python version: i. from cmd.exe >python --version ii. from an editor  import sys print(sys.version) 4. Python can be run as a command line itself. Type the following on the Windows, Mac or Linux command line: C:\Users\sathi>python or C:\Users\sathi>py From there you can write any python. Whenever you are done in the python command line, you can simply type the following to quit the python command line interface: exit() 5.  Python syntax can be executed by writing directly in the Command Line. Or by creating a python file on the server, using the .py file extension, and running it in the Command Line. 6. Q 1. What is the difference between global and local scope? A variable created in the main body of the Python code is a global variable and belongs to the global scope. Global variables are available from...