Installation Of Python Many PCs and Macs will have python already installed . To check if you have python installed on a Windows PC, search in the start bar for Python or run the following on the Command Line (cmd.exe): C:\Users\Your Name>python --version To check if you have python installed on a Linux or Mac , then on linux open the command line or on Mac open the Terminal and type: python --version If you find that you do not have python installed on your computer, then you can download it for the Python official website : https://www.python.org/ Python Quickstart Python is an interpreted programming language , this means that as a developer you write Python (.py) files in a text editor and then put those files into the python interpreter to be executed . The way to run a python file is like this on the command line: C:\Users\Your Name>python helloworld.py Where " helloworld.py " is the name of your python file. Let's write our first Python file, called he...