Change working directory in shell with a python script

Question

I want to implement a userland command that will take one of its arguments (path) and change the directory to that dir. After the program completion I would like the shell t

Answer 1

That is not going to be possible.

Your script runs in a sub-shell spawned by the parent shell where the command was issued.

Any cding done in the sub-shell does not affect the parent shell.