python datetime 加密 笔记

datetime

#!/usr/bin/python# -*- coding: utf-8 -*-from datetime import datetime#timestamp -> datetimeprint(datetime.fromtimestamp(123123123.1321))#datetime -> timestampprint(datetime.now().timestamp())print(datetime(2016,6,6,16,38).timestamp())#str -> datetimeprint(datetime.strptime("2112-2-3 21:21:1", "%Y-%m-%d %H:%M:%S"))#datetime -> strprint(datetime.now().strftime("%Y-%m-%d %H:%M:%S"))

加密

#!/usr/bin/python# -*- coding: utf-8 -*-import  hashlibch = [chr(i) for i in range(49,123) ]print("char:",ch,"\n")md5 = hashlib.md5()md5.update(input().encode("utf-8"))md5_i = str(int(md5.hexdigest(),16))index = [ int(md5_i[i:i+3])%len(ch) for i in range(39) if i%3 == 0]print("index:",index,"\n")res = "".join([ ch[i] for i in index])print("password: ", res)