python script from command line
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python is a versatile programming language that allows you to create powerful scripts for various tasks. in this tutorial, we'll explore how to write and execute python scripts from the command line. whether you're a beginner or an experienced developer, this guide will help you get started.
if you haven't installed python on your system, you can download it from the official python website. follow the installation instructions for your operating system.
create a new file with a .py extension to write your python script. let's start with a basic "hello, world!" script. open your preferred text editor and enter the following code:
save the file as hello.py.
open your command-line interface. if you're using windows, you can use command prompt or powershell. on unix-like systems (linux, macos), you can use the terminal.
navigate to the directory where you saved your hello.py script using the cd command. for example:
now, you can execute your python script using the python command followed by the script's filename:
if you're using python 3, you might need to use python3 instead:
you should see the output:
congratulations! you've just run your first python script from the command line.
python allows you to accept command-line arguments in your scripts. let's modify our script to accept a name as a command-line argument:
save the file as hello_name.py.
now, you can run the script with a name as a command-line argument:
or with python 3:
you should see the personalized greeting:
feel free to experiment with more complex scripts and explore additional python features to enhance your command-line scripting skills.
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#python command line
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