pip install ModuleNotFoundError: No module named 'skbuild' code example

Example 1: importerror: no module named skbuild

pip install scikit-build; pip install cmake

Example 2: ModuleNotFoundError: No module named 'sklearn'

#for python 1
pip install -U scikit-learn scipy matplotlib
#for python 3
pip3 install -U scikit-learn scipy matplotlib