def paddedInt(i):
    "\n    return a string that contains `i`, left-padded with 0's up to PAD_LEN digits\n    "
    i_str = str(i)
    pad = (PAD_LEN - len(i_str))
    return ((pad * '0') + i_str)
return a string that contains `i`, left-padded with 0's up to PAD_LEN digits
def paddedInt(i):
    "\n    \n    "
    i_str = str(i)
    pad = (PAD_LEN - len(i_str))
    return ((pad * '0') + i_str)