Write a Python program comm rm$.$py to remove all comments from a Python program. The program should work as follows:

$>$ python comm$\_$rm$.$py input$\_$file.py

where input$\_$file.py is any $($correct$)$ Python program. The program with comments removed will

be saved in the file input$\_$file$\_$rm$.$py$.$

You are not allowed to use the regular expression capabilities of Python, as that would defeat the

purpose of the question.