code: def lower(option,value):
      '''
      Enforces lower case options and option values where appropriate
      '''
      if type(option) is str:
          option=option.lower()
      if type(value) is str:
          value=value.lower()
      return (option,valuef lower(option,value):
      '''
      Enforces lower case options and option values where appropriate
      '''
      if type(option) is str:
          option=option.lower()
      if type(value) is str:
          value=value.lower()
      return (option,value)
docs: Enforces lower case options and option values where appropriate