How does python view the library?

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There are five ways:

1. Use pydoc command to view on command line.

pydoc modules

Use help() in Python editor to view it.

help("modules")

3. Import sys module to view in python editor.

>>> import sys

>>> sys.modules.keys()

4. Use pip to view on the command line.

If you are using ip as your python package manager, you can run the following command directly from the command line to view the installation package information.

pip freeze

#Or

pip list

Note: you can import the pip module in the python editor to view package information.

5. Use the yolk command on the command line to view.

yolk -l #List all installed modules

yolk -a #List active modules

yolk -n #List inactive modules

yolk -U [packagename] #Check if there is a new version of the module by querying pypi

#yolk install command

pip install yolk

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