how to run python script in python command line
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Title: Running Python Scripts in the Command Line: A Step-by-Step Tutorial
Introduction:
Python scripts are a powerful tool for automating tasks, building applications, and performing various programming tasks. Running Python scripts from the command line allows you to execute your code seamlessly. In this tutorial, we'll walk through the process of running Python scripts using the Python command line.
Prerequisites:
Before we begin, ensure that Python is installed on your system. You can download the latest version from the official Python website (https://www.python.org/downloads/).
Step 1: Write a Python Script
Start by creating a simple Python script using a text editor or an integrated development environment (IDE). Save the script with a ".py" extension. For example, let's create a script called hello.py:
Step 2: Open the Command Line
On Windows, you can use the Command Prompt or PowerShell. On macOS or Linux, open the Terminal. Navigate to the directory where your Python script is located using the cd command. For example:
Step 3: Run the Python Script
To run a Python script from the command line, use the python command followed by the script's filename:
If you're using Python 3, you might need to use python3 instead of python:
This will execute the script, and you should see the output "Hello, World!" printed to the console.
Step 4: Command Line Arguments
You can pass command line arguments to your Python script. Modify your script to accept arguments:
Now, you can run the script with an argument:
Replace YourName with the desired name, and the script will greet you accordingly.
Conclusion:
Running Python scripts in the command line is a fundamental skill for any Python developer. By following this tutorial, you should now be comfortable executing Python scripts and passing command line arguments. As you continue to explore Python, you'll find the command line to be a versatile and efficient way to interact with your scripts.
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