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Python 3.10 [Errono 2] No such file or directory – Python 3.10 not being recognised in terminal [closed]

I installed python3.10 on my mac. I can see it under applications but when I type python 3– version it returns the following error.

MacBook-Air:~ User$ python3 -- v
/Library/Frameworks/Python.framework/Versions/3.10/bin/python3: can't open file '/Users/User/v': [Errno 2] No such file or directory

Python2 — version returns with the default python 2.7.18 which is already installed with Mac OS.

Steps I’ve taken:

MacBook-Air:~ User$ alias idle="idle3" # to use python3 idle rather than 2.7
MacBook-Air:~ User$ alias python="python3" # to use python3 rather than python2.7

This was to map python to python 3 it worked but I still received the following error..

MacBook-Air:~ User$ python -- v
/Library/Frameworks/Python.framework/Versions/3.10/bin/python3: can't open file '/Users/User/v': [Errno 2] No such file or directory

Please help!

Answer

The problem is with the command you’ve entered. This makes the Python interpreter think you’re trying to run a script called v, which obviously doesn’t exist.

python3 -- v

For checking the version, you should either:

  1. Use one hyphen and a capital letter: python -V
  2. Use two hyphens and the full word: python --version.

There should be no space after the hyphen.

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