Python : Working with the Python Interactive Shell
We are going to be writing our first program through the Python interactive shell. Before we begin, ensure that you have Python installed on your machine.
Checking our Python Installation
Step 1 : Open the terminal
Step 2 : Type in the command python3 and press Enter. This should open the Python interpreter, and you should see a message containing the Python version you installed.
Working with the Python
Step 1 : At the terminal, enter the following command to run the popular Hello World! program:
Step 2 : Anything you type into the shell is echoed back. Type "Echo" in the shell to check this
Step 3 : You can even do some calculations
14 + 3 12 - 3 12*3 -5 + 6*8
Step 4 : Exit the shell by running the exit command