#! /usr/bin/env python
# coding = utf-8
import os
import time
path = 'd:/360极速浏览器下载/300_v201707031.zip'

# print(os.stat(path).st_size)
# print(os.path.getatime(path))
# t = os.path.getatime(path)
# print(time.ctime(t))
di = dict()
d2 = di.fromkeys(['1', '2', '3'], ) # {'1': None, '2': None, '3': None}
print(d2)