pip is a Python package management tool that provides the functions of finding, downloading, installing, and uninstalling Python packages.
pip and pip2 are the same and correspond to the Python2.x version.
pip3 corresponds to Python3.x version.
Recommended: "Python Tutorial"
Python introduction:
Python is a cross-platform computer programming language. It is an object-oriented dynamic type language that was originally designed for writing automated scripts (shells). As the version is constantly updated and new language features are added, it is increasingly used for the development of independent, large-scale projects.
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