"""

 Name: string_hash -  a string hashing program

 Description: Basic string hashing program according to Theory I lecture.

 Author: Eugen Sawin <sawine@informatik.uni-freiburg.de>

 """

 def main():    

     args = parse_arguments()

     for string in args.strings.split():

         print "%s: %i" % (string, hash(string, args.m))

 def hash(string, m):

     return sum(map(ord, string)) % m   

 from argparse import ArgumentParser

 def parse_arguments():

     parser = ArgumentParser(description="Returns the hash for given string and m.")

     parser.add_argument("strings", help="strings") 

     parser.add_argument("m", type=int, help="m value")

     return parser.parse_args()

 if __name__ == "__main__":

     main()