#!/bin/python3

import getopt, sys

repetition = 1
iteration  = 100
step = 1
parm = 2
def cmdline():
    global iteration
    global repetition
    global step
    global parm
    try:
        opts, args = getopt.getopt(sys.argv[1:], "i:p:r:s:", ["help", "output="])
    except getopt.GetoptError as err:
        # information and exit:
        print(err)  
        sys.exit(2)
    for opt, optarg in opts:
        if opt == "-r":
            repetition = int ( optarg )
        elif opt == "-p":
            parm = int( optarg )
        elif opt == "-i":
            iteration = int( optarg )
        elif opt == "-s":
            step = int( optarg )
        else :
            print('panic')