Why Does 'NameError: name 'python3' is not defined' Occur When Running Python Commands?-Python Tutorial-php.cn

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Why Does 'NameError: name 'python3' is not defined' Occur When Running Python Commands?

Susan Sarandon

Nov 13, 2024 am 09:45 AM

Why Does

Troubleshooting "NameError: name 'python3' is not defined" Error

When attempting to execute python3 --version or python3 get-pip.py, users may encounter the following error: NameError: name 'python3' is not defined. This issue arises from a misunderstanding of the command prompt versus the Python prompt.

Python3 is not a Python syntax. It represents the Python binary executable used to launch the interactive interpreter. To resolve this error, switch to the command line or terminal where you would typically use dir or ls to navigate your file system.

Be aware that python3, pip, pip3, and many other commands are not Python syntax. They are programs designed to execute from the command prompt itself. If you find yourself at a >>> or In [number]: prompt, you're in the Python interpreter. To exit, type exit to return to the command line.

Remember to distinguish between the Python prompt and the command prompt to avoid this error.

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