列表有列表解析式，那么字典呢
#!/usr/bin/env python
#coding:utf-8
#@Author:Andy
"""
select data from dict
"""
from random import randint
print('Generate a random dict:')
dict1 = {x:randint(30, 80) for x in range(1, 11)}
print(dict1)
print('Result:')
print({k: v for k ,v in dict1.items() if v > 60})
# I can only get the key, Maybe there is some method i don't know
keys = list(filter(lambda x: dict1[x] >= 60, dict1 ))
