Can't use libraries in PyCharm that were downloaded with pip, what do you recommend?

Question

Python

The problem is that when writing code, PyCharm does not see the libraries and gives an error. If you copy and run this code in Python IDLE, then no errors appear and the program is executed. What could be the problem?

Answer 1

Look in the project window where "External Libraries" point, there the path in the name of the project tree node is visible, you will understand what's what ...