1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
#!/usr/bin/python import sys start = float(sys.argv[1]) if len(sys.argv) > 3: stop = float(sys.argv[3]) step = float(sys.argv[2]) else: stop = float(sys.argv[2]) step = 2 while start <= stop: print start start = start * step