# coding = utf-8

from functools import wraps
import time

def func1(func):
    @wraps(func)
    def call_func(*args, **kwargs):
start2 = time.time()
        func(*args, **kwargs)
        end2 = time.time()
        cost = end2 - start2
        print "{} cost {}ms".format(func.__name__, cost)
    return 
 
call_func


@func1
def test_cmp(alist):
for i in range(1000000):
f2 = sorted(alist, cmp=lambda x, y: cmp(x.get(1), y.get(1)), reverse=True)
    print alist
@func1
def test_key(alist):
for i in range(1000000):
f2 = sorted(alist, key=lambda x: x.get(1), reverse=True)
    print alist
if __name__ == '__main__':
aa = 
 
[{1: 5, 3: 4}, {1: 3, 6: 3}, {1: 1, 2: 4, 5: 6}, {1: 9}]
    test_cmp(aa)
    test_key(aa)

# 執行結果：

[{1: 5, 3: 4}, {1: 3, 6: 3}, {1: 1, 2: 4, 5: 6}, {1: 9}]
test_cmp cost 5.07299995422ms
[{1: 5, 3: 4}, {1: 3, 6: 3}, {1: 1, 2: 4, 5: 6}, {1: 9}]
test_key cost 2.94199991226ms