old_contents: import sys
  
  def main():
    num = sys.argv[1:]
    print 'hello git with num(' + str(num) + )  
  
  if __name__ == '__main__':
    main()
  
new_contents: import sys
  
  def main():
    cmd = sys.argv[1]
    if cmd == 'add':
       nums = sys.argv[2:]
       total = sum(map(float,nums))
    if cmd == 'mult':
       nums = sys.argv[2:]
       total = reduce(lambda a, b: a * b, map(float,nums))
    print total 
  
  if __name__ == '__main__':
    main()
  
subject: add multiplication args to test.py