Uninstall old python version(Python 3.9.7)

[Công Huy]

   I had uninstalled Python 3.9.7 before but it wasn't uninstalled
   completely. I found it still in my computer and when I click "uninstall",
   it sent me a board "No Python 3.9 installation was detected". Of course,
   it won't be an issue if it defaulted my main Python version on my computer
   and I can't use some libraries I installed like numpy, matplotlib,
   networkx,... To solve my python homework. I found some help on the
   internet but it wasn't improved. I don't know how to fix it. Please help
   me.



   Thanks and Regards,

   Cong Huy



   Sent from [1]Mail for Windows



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