def moj_range(*args):
    result = []
    start = 0
    step = 1
    if len(args)==1:
      stop = args[0]
    elif len(args)==2:
      start = args[0]
      stop = args[1]
    elif len(args)==3:
      start = args[0]
      stop = args[1]
      step = args[2]
    else:
      raise TypeError()

    i = start
    while i < stop:
      result.append(i)
      i += step
    return result