1. 錯誤方法:python -m pip install --upgrade pip
2.正確方法:python3 -m pip install --upgrade pip
? ? ? ? ? ?或者pip3 install --upgrade pip

1. 錯誤方法:python -m pip install --upgrade pip
2.正確方法:python3 -m pip install --upgrade pip
? ? ? ? ? ?或者pip3 install --upgrade pip