Python - Move and overwrite files and folders

I have a directory, 'Dst Directory', which has files and folders in it and I have 'src Directory' which also has files and folders in it. What I want to do is move the contents of 'src Directory' to 'Dst Directory' and overwrite any files that exist with the same name. So for example 'Src Directory\file.txt' needs to be moved to 'Dst Directory\' and overwrite the existing file.txt. The same applie