How to view installed modules in python

View python internal module commands, built-in functions, view python installed module commands

This can be done with dir(modules)

Or use pip list

Or use help('modules')

Or use python -m pydoc -p 1234

Both list all installed modules

Knowledge Point Expansion:

python to see where a module is installed

I. Open the command line and type

python -v

Second, here to OpenCV as an example, cv2 for OpenCV module name, and then enter the

import cv2

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