# type below command to list all installed packages along with their location.

!pip list -v | grep [Kk]eras
# Keras                    2.2.5           /usr/local/lib/python3.6/dist-packages pip      
# Keras-Applications       1.0.8           /usr/local/lib/python3.6/dist-packages pip      
# Keras-Preprocessing      1.1.0           /usr/local/lib/python3.6/dist-packages pip      
# keras-vis                0.4.1           /usr/local/lib/python3.6/dist-packages pip