Can't import file in python

Suppose I have

Directory\Folder1\File1.py\class Something, Directory\Folder2\File2.py

I want to import Something from File1 into File2I encounter ModuleNotFoundError

I tried:

from Folder1.File1 import Something

Got:

ModuleNotFoundError: No module named 'Folder1'

Also tried:

from Directory.Folder1.File1 import Something

Got:

ModuleNotFoundError: No module named 'Directory'