There is a file in this directory.  The first column is user names, 
the second column phone numbers, and the third column room numbers.

- Check that the user name 
   Starts with a lower case letter
   continues with lower case letters or digits or an _

- Check the the phone numbers
  Look like XXX-XXX-XXXX
  The first digit is not a zero or one

- Check the room numbers
  Looks like JAMR 217
  The word is all upper case
  The other part is all digits

Next, make two files called good.csv and bad.csv
Every line that fails one of the tests, put in bad.csv
Every line that is good, put in good.csv

https://www.w3schools.com/python/python_file_write.asp