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Python is a versatile and powerful programming language, and running Python code from the shell is a fundamental skill for any Python developer. In this tutorial, we'll guide you through the process of running Python scripts and commands from the command line or shell.
Before you can run Python code from the shell, you need to have Python installed on your system. You can download the latest version of Python from the official Python website.
Once installed, you should be able to access Python from the command line or terminal.
Open your command line or terminal. This might be called Command Prompt on Windows, Terminal on macOS, or any terminal emulator on Linux.
If your Python script is not in the default directory, navigate to the directory containing your Python script using the cd command. For example:
To run a Python script, you use the python command followed by the name of your script. For example:
Replace script.py with the actual name of your Python script.
Let's consider a simple Python script named hello.py:
Navigate to the directory containing hello.py in the terminal and run:
You should see the output:
You can also run Python commands directly from the shell without creating a separate script. Use the -c option followed by the command in quotes:
Run the following command:
The output should be:
If you have multiple versions of Python installed, you may need to specify the version when running scripts. Use python3 instead of python for Python 3.x:
Congratulations! You've learned how to run Python code from the shell. This skill is essential for any Python developer, and it allows you to efficiently execute and test your Python scripts. Keep practicing and exploring more advanced feat