#!/usr/bin/env python

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

# main: this is the main function of this Python
#
# int main(int argc, char** argv)
#
def main(argv):

    # my first python command
    #
    print("hello world")

    # my first python command
    #
    print(argv[0], argv[1], argv[2])
    print(argv)

    print("argv[0] = %s [%s]" % (argv[0], argv[1]),
          "argv[2] = %s" % (argv[2]))
    X = float(55.0)
    print("today's temperature is %f degrees" % (X))
    print("today's temperature is %10.4f degrees" % (X))

    for arg in argv:
        X = float(2)
        print("...> arg = %s" % (arg))
    print("the end of my loop")

    # C/C++ equivalent
    #
    #for (int i = 0; i < argc; 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