题目:For Windows users, the examples in this guide assume that the option to adjust the system PATH environment variable was selected when installing Python. It’s also possible to specify an exact or minimum version directly on the command line. When using comparator operators such as >, < or some other special character which get interpreted by shell, the package name and the version should be enclosed within double quotes: Plain Text python -m pip install SomePackage==1.0.4 # specific version python -m pip install "SomePackage>=1.0.4" # minimum version
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