Installation(For linux)
$ sudo apt install python3

Creating a virtual environment file
$ python3 -m venv virtual environment name

Enable virtual environment(For linux)
$ .The name of the virtual environment/bin/activate
The virtual environment is enabled when the following is displayed.
(Virtual environment name)path$ 

Exit the virtual environment.
()$ deactive

Install the package.
()$pip install package name

Check the installed packages.
()$ pip freeze

Save the list of installed packages.
()$ pip freeze >> requirements.txt

Install the package from the list.
()$ pip install -r requirements.txt

Uninstall the package.
()$pip uninstall package name

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