sawine@0: """
sawine@0: Name: string_hash -  a string hashing program
sawine@0: Description: Basic string hashing program according to Theory I lecture.
sawine@0: Author: Eugen Sawin <sawine@informatik.uni-freiburg.de>
sawine@0: """
sawine@0: 
sawine@0: def main():    
sawine@0:     args = parse_arguments()
sawine@0:     for string in args.strings.split():
sawine@0:         print "%s: %i" % (string, hash(string, args.m))
sawine@0: 
sawine@0: def hash(string, m):
sawine@0:     return sum(map(ord, string)) % m   
sawine@0: 
sawine@0: from argparse import ArgumentParser
sawine@0: 
sawine@0: def parse_arguments():
sawine@0:     parser = ArgumentParser(description="Returns the hash for given string and m.")
sawine@0:     parser.add_argument("strings", help="strings") 
sawine@0:     parser.add_argument("m", type=int, help="m value")
sawine@0:     return parser.parse_args()
sawine@0: 
sawine@0: if __name__ == "__main__":
sawine@0:     main()