In this article I will show you how to run a Python program on the command prompt.
Step 0: Check That You’ve Installed Python
To easily check if you have python already installed on your computer, you can open the command prompt and check for a Python version. This will be good to also see what version of python you have if you do have python already installed.
Open the command prompt and type the following:
Note: I am using Python version 3.8.3
If you do not get back a python version then you will need to go to the python.org website to install python onto your computer.
Step 1: Create the Python Program File
Create your Python program. We will create a simple Python program using notepad that prints ‘Hello,World’ and save it as hello.py on the desktop.
Step 2: Change Directories
Now that the hello.py file has been created, we will open up the command prompt and go to the directory that contains the python executable file.
Open the command prompt and change the directory to the directory where you installed Python. You can find the command below.
Note: My directory name is Python38–32
Step 3: Run the Python Program
In this directory we can use the python command to run and execute the python file that was created on the desktop. Be sure to put the full location of the python file that was created in step 1. Your next command should look similar to the below example.
Note: The <username> in the below command is only a place holder for your user name, be sure to replace it with your actual user name.
Now “Hello, World” should be printed in the command prompt ! That’s it, we are all done ! If you want, you can also check out the video below for extra material !
If you are also interested in reading more on Python one of the fastest growing programming languages that many companies and computer science departments use, then I recommend you check out the book Learning Python written by Mark Lutz’s.
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