#!/usr/bin/env python

# system include files
#
import sys
import os
import numpy as np

# main: this is the main function of this Python
#
def main(argv):
    print("hello world")
    #print(argv)
    #print(argv[0], argv[1], argv[2])
    #print("argv[0] = %s [%s]" % (argv[0], argv[1]),
    #      "argv[2] = %s" % (argv[2]))
    #print("today's temperature is %f degrees" % (55.5))
    #print("today's temperature is %10.4f degrees" % (55.5))

    for arg in argv:
        print("...> arg = %s" % (arg))

    # C/C++ equivalent
    #
    #for (int i = 0; i < len(argv); i++) {
    #    }
    
    # Python version
    #
    for i in range(len(argv)):
        print("%d: %s"% (i, argv[i]))

    # Python version
    #
    for i in range(len(argv)):
        print("%d: %s"% (i, argv[i]))

#
# end of main

# begin gracefully
#
if __name__ == "__main__":
    main(sys.argv)

#
# end of file