# -*- coding:utf-8 -*-

__author__ = 'k22li'

import random

#直接引用timeit中的timeit方法

from timeit import timeit as timeIt

"""

方案1: from timeit import timeit as TI

"""

def testCase():

aList = range(10)

random.shuffle(aList)

print aList

random.sample(aList, 2)

print aList

print timeIt('x = range(10)', number = 1000)

print timeIt('x=1', number = 10000)

print timeIt('k = map(lambda x : x*20, range(10))', number = 10000)

"""

方案2: timeit.Timer() to start timing & timeit().timeit() to end timing

"""

#引用timeit然后调用其中的timer()函数

import timeit

t1 = timeit.Timer('X=1')

print t1.timeit()

t2 = timeit.Timer('k = map(lambda x: x*10, range(10))')

t2.timeit(number=10000)

t2.print_exc()

#repeat func连续3次调用timeit方法

print t2.repeat(number = 1000)

#SETUP functions in timeit

t3 = timeit.Timer('1 in alist', setup='alist=range(10)')

print t3.timeit(number=10000)

#

stmt = \

"""

import random

aList = range(10)

random.shuffle(aList)

print aList

random.sample(aList, 2)

print aList

"""

t4 = timeit.Timer(stmt)

print t4.timeit(number = 1000)