In python:

Part 1 -

Make a module called 'funct' that holds the following information -

1. def total(val) - returns sum of all # in the list 'val'.

2. def sub(val) - returns the difference of all # in the list 'val'.

3. def times(val) - returns the product of all # in the list 'val'.

4. def div(val) - returns the result of dividing all # in the list 'val'. If first # is 0, then the result is 0. If any other # are 0, use sys.exit to stop it & display 'invalid list.'