Comments (4)
# -*- coding:UTF-8 -*-
import time
n=1
time_start=time.clock()
while n<100000000:
n=n+1
time_end=time.clock()
print (time_end-time_start)
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while循环速度慢,建议使用for或者迭代工具等。
from starterlearningpython.
在很多情况写,列表解析是速度快且稳定,是首选。
from starterlearningpython.
我今天提交了一篇关于Python自省的讲授,你可以看看,有解决你疑惑:if __name__ == '__main__'
的部分。
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