Pytest installation (command line installation)

Premise ： Installed python Environmental Science （ Use pip install ）

System ：windows

①win+r, function cmd;

② Command line view pip Is the installation complete  （ The figure shows that the installation is successful ）;

③ Use command pip install  -U pytest Install the latest pytest(pip install pytest Also can be installed , But not the latest ) ;

④ Check pytest Is the installation successful , Use pytest --version;