Hitdongfeng
发表于 2018-9-25 10:52:05
{:10_243:}
777psp
发表于 2018-9-25 22:51:26
支持,支持
qianmoney
发表于 2018-9-26 10:11:46
666
apbxh
发表于 2018-9-26 19:41:20
{:5_106:}{:5_109:}
笨笨龙123
发表于 2018-9-27 15:58:33
1
dtspsppt
发表于 2018-9-27 16:13:05
我看看!!
dsx-123
发表于 2018-9-27 21:33:46
学习学习
张丫彦丫楚
发表于 2018-9-29 13:46:06
>>> import timeit
>>> import timeit
>>> timeit.timeit('"-".join(str(n) for n in range(100))',number=10000)
0.22145586600001366
>>> timeit.timeit('"-".join(str(n) for n in range(100))',number=100000)
2.19172915499999
>>> timeit.timeit('a = "-".join(str(n) for n in range(100))',number=10000)
0.22280868299998247
>>> timeit.timeit('a = "-".join(str(n) for n in range(100));return a',number=10000)
>>> timeit.timeit('a = "-".join(str(n) for n in range(100))',repeat=3,number=10000)
Traceback (most recent call last):
File "<pyshell#9>", line 1, in <module>
timeit.timeit('a = "-".join(str(n) for n in range(100))',repeat=3,number=10000)
TypeError: timeit() got an unexpected keyword argument 'repeat'
>>> timeit.repeat('a = "-".join(str(n) for n in range(100))',repeat=3,number=10000)
>>> timeit.repeat('a = "-".join(str(n) for n in range(100))',timer = <process_time()>,repeat=3,number=10000)
SyntaxError: invalid syntax
>>> timeit.repeat('a = "-".join(str(n) for n in range(100))',timer =<process_time()>,repeat=3,number=10000)
SyntaxError: invalid syntax
>>> timeit.repeat('a = "-".join(str(n) for n in range(100))',timer = process_time(),repeat=3,number=10000)
Traceback (most recent call last):
File "<pyshell#13>", line 1, in <module>
timeit.repeat('a = "-".join(str(n) for n in range(100))',timer = process_time(),repeat=3,number=10000)
NameError: name 'process_time' is not defined
>>> timeit.Timer('for i in range(10): oct(i)', 'gc.enable()').timeit()
1.1840565520001292
>>> timeit.Timer('for i in range(10): oct(i)', 'gc.enable()')
<timeit.Timer object at 0x000002311996BFD0>
>>> a=timeit.Timer('for i in range(10): oct(i)', 'gc.enable()')
>>> a
<timeit.Timer object at 0x00000231199A5EF0>
>>> a.timeit()
1.2091490960001465
>>> a.repeat()
>>> s = '''\
try:
str.__bool__
except AttributeError:
pass
'''
>>> timeit.timeit(stmt=s, number = 100000)
0.041749605999939376
>>> s = 'if hasattr(str,"__bool__"):pass'
>>> timeit.timeit(stmt=s, number = 100000)
0.027976809999927355
>>> s = '''\
try:
int.__bool__
except AttributeError:
pass
'''
>>> timeit.timeit(stmt=s, number = 100000)
0.004601171999865983
>>> s = 'if hasattr(int,"__bool__"):pass'
>>> timeit.timeit(stmt=s, number = 100000)
0.006767500000023574
timeit,repeat方法中的timer的使用,暂时还未掌握
wulljy
发表于 2018-10-1 09:37:08
如何读取文本中包含的时间
TCY
发表于 2018-10-1 21:46:26
支持小甲鱼
Kiwi-
发表于 2018-10-2 17:34:23
kk
三无学习机
发表于 2018-10-2 21:46:02
支持小甲鱼
gratelxc
发表于 2018-10-3 09:42:49
支持小甲鱼
Roden
发表于 2018-10-3 13:57:14
看看源代码
DxCaesar
发表于 2018-10-4 16:28:32
666
ssy114114
发表于 2018-10-5 07:55:43
支持楼主!
HoveMoS
发表于 2018-10-5 14:19:25
1
dguest
发表于 2018-10-6 12:10:38
小甲鱼你写错别字了,是大有裨益哈哈哈。。.
JesseMan
发表于 2018-10-8 10:23:06
{:5_90:}强路费灰飞烟灭
yuhuaab
发表于 2018-10-8 14:56:57
支持楼主