标签：ict highlight pen method 提取 取出 app logs generate
有时有多个字典，需要从中提取出这些字典中共有的key
#!/usr/bin/env python
#coding:utf-8
#@Author:Andy
from random import randint, sample
# select the same key from different dict
print("Generate 3 dif dict:")
d1 = {k:randint(1, 10) for k in sample(["小王","小段","小李","小周","小小"],randint(1,5))}
d2 = {k:randint(1, 10) for k in sample(["小王","小段","小李","小周","小小"],randint(1,5))}
d3 = {k:randint(1, 10) for k in sample(["小王","小段","小李","小周","小小"],randint(1,5))}
for _ in (d1, d2, d3):
print(_)
print("method 1:")
res = []
for _ in d1:
if _ in d2 and _ in d3:
res.append(_)
print(res)
但是注意，如果出现 ：sample larger than population的错误提示：如下图：
那是因为，randint(x,y)是左右都包含的，如果元素就5个，却用了randin(1,6)，就可能超出边界。
标签：ict highlight pen method 提取 取出 app logs generate
原文地址：http://www.cnblogs.com/Andy963/p/6958844.html
