为了账号安全,请及时绑定邮箱和手机立即绑定

这两种写法有什么区别

 t1=time.time()

            r=f(*args,**kw)

            t2=time.time()

            if unit=='ms':

                t=(t2-t1)*1000

            elif unit=='s':

                t=t2-t1

            else:

                print 'none'

            print 'call %s() in %f%s'%(f.__name__,t,unit)

            return r

我一开始写成

 t1=time.time()

            r=f(*args,**kw)

            t2=time.time()

            t=t2-t1

            if unit=='ms':

                return t*1000

            elif unit=='s':

                return t

            else:

                print 'none'

            print 'call %s() in %f%s'%(f.__name__,t,unit)

            return r

为什么第二种最后一句print并没有打印呢? 仅仅打印了f的结果。先写一个t=t2-t1为什么不可以??

正在回答

3 回答

已经return了 函数已经结束

1 回复 有任何疑惑可以回复我~

你用的手机吧,用大点的例如平板,或者电脑显示器,分辨率高的显示的清。

http://house.china.com.cn/sousou/%25101%253D%252C%2520%25%42%45%25%43%35%25%44%36%25%44%44%25%44%33%25%45%39%25%43%30%25%44%36%25%43%32%25%44%42%25%43%43%25%42%33%25%44%36%25%42%31%25%44%33%25%41%41%25%42%46%25%41%41%25%42%42%25%41%37%25%33%41%25%34%32%25%33%32%25%33%30%25%33%32%25%33%34%25%32%45%25%34%33%25%34%45%252C%25%44%36%25%45%39%25%42%41%25%41%33%25%43%44%25%46%38%25%42%41%25%45%43_1s.htmhttp://house.china.com.cn/sousou/%25101%253D%252C%2520%25%44%35%25%45%36%25%43%38%25%43%42%25%43%31%25%46%41%25%42%42%25%41%32%25%42%36%25%42%37%25%42%46%25%41%41%25%42%39%25%44%39%25%43%44%25%46%38%25%34%32%25%33%32%25%33%30%25%33%32%25%33%34%25%32%45%25%34%33%25%34%45%252C%25%44%35%25%45%36%25%43%38%25%43%42%25%43%41%25%44%33%25%44%31%25%42%36_1s.htmhttp://house.china.com.cn/sousou/%25101%253D%252C%2520%25%42%30%25%44%39%25%42%43%25%44%32%25%43%30%25%44%36%25%43%45%25%45%35%25%43%41%25%44%38%25%44%34%25%46%32%25%42%39%25%44%39%25%43%44%25%46%38%25%35%38%25%35%33%25%33%36%25%33%38%25%33%36%25%41%31%25%41%34%25%34%33%25%34%46%25%34%44%252C%25%43%38%25%46%44%25%43%33%25%46%37%25%44%30%25%43%32%25%43%45%25%43%35_1s.htmhttp://house.china.com.cn/sousou/%25101%253D%252C%2520%25%42%35%25%43%46%25%43%44%25%46%45%25%44%33%25%45%39%25%43%30%25%44%36%25%42%39%25%46%41%25%42%43%25%43%41%25%43%44%25%46%38%25%44%36%25%42%37%25%35%38%25%35%33%25%33%36%25%33%38%25%33%36%25%32%45%25%41%33%25%43%33%25%41%33%25%43%46%25%41%33%25%43%44%252C%25%43%41%25%41%45%25%44%31%25%44%46%25%43%43%25%45%35%25%44%33%25%46%44_1s.htmhttp://house.china.com.cn/sousou/%25101%253D%252C%2520%25%44%30%25%43%32%25%42%44%25%46%35%25%42%38%25%41%33%25%42%43%25%44%39%25%43%44%25%46%38%25%44%36%25%42%37%25%35%38%25%35%33%25%33%36%25%33%38%25%33%36%25%32%45%25%41%33%25%43%33%25%41%33%25%43%46%25%41%33%25%43%44%252C%25%42%39%25%45%33%25%42%30%25%42%32%25%43%43%25%46%41%25%43%44%25%41%38_1s.htmhttp://house.china.com.cn/sousou/%25101%253D%252C%2520%25%44%38%25%46%34%25%42%30%25%45%45%25%42%41%25%43%44%25%44%30%25%41%31%25%44%42%25%43%32%25%43%30%25%41%44%25%42%46%25%41%41%25%42%42%25%41%37%25%42%39%25%44%39%25%43%44%25%46%38%25%35%38%25%35%33%25%33%36%25%33%38%25%33%36%25%41%31%25%41%34%25%34%33%25%34%46%25%34%44%252C%25%43%43%25%46%41%25%43%31%25%45%42%25%42%30%25%45%43%25%43%41%25%43%32%25%42%34%25%41%36_1s.htmhttp://house.china.com.cn/sousou/%25101%253D%252C%2520%25%42%32%25%41%39%25%42%32%25%43%41%25%44%37%25%43%41%25%44%31%25%42%36%25%42%34%25%46%33%25%43%38%25%41%42%25%42%39%25%44%39%25%43%44%25%46%38%25%35%38%25%35%33%25%33%36%25%33%38%25%33%36%25%41%31%25%41%34%25%34%33%25%34%46%25%34%44%252C%25%42%33%25%41%46%25%44%31%25%46%34%25%44%30%25%43%32%25%43%45%25%43%35_1s.htmhttp://house.china.com.cn/sousou/%25101%253D%252C%2520%25%44%32%25%44%37%25%43%41%25%41%34%25%42%32%25%41%39%25%43%46%25%43%32%25%41%31%25%42%45%25%34%32%25%33%32%25%33%30%25%33%32%25%33%34%25%32%45%25%34%33%25%34%45%25%42%42%25%42%36%25%44%33%25%41%44%25%43%34%25%46%41%25%41%31%25%42%46%252C%25%44%36%25%41%33%25%44%36%25%44%44%25%43%45%25%43%30%25%43%41%25%44%33_1s.htmhttp://house.china.com.cn/sousou/%25101%253D%252C%2520%25%43%42%25%41%44%25%44%34%25%44%41%25%43%44%25%45%36%25%42%39%25%46%42%25%42%32%25%41%39%25%41%31%25%42%45%25%42%39%25%44%39%25%43%44%25%46%38%25%41%31%25%46%41%25%34%32%25%33%32%25%33%30%25%33%32%25%33%34%25%32%45%25%34%33%25%34%45%25%41%31%25%42%46%252C%25%42%37%25%46%30%25%43%39%25%42%44%25%43%44%25%46%38%25%43%44%25%41%38_1s.htmhttp://house.china.com.cn/sousou/%25101%253D%252C%2520%25%42%30%25%44%39%25%42%43%25%44%32%25%43%30%25%44%36%25%44%30%25%43%34%25%43%30%25%45%44%25%44%35%25%42%44%25%43%44%25%46%38%25%44%36%25%42%37%25%35%38%25%35%33%25%33%36%25%33%38%25%33%36%25%32%45%25%41%33%25%43%33%25%41%33%25%43%46%25%41%33%25%43%44%252C%25%43%34%25%43%46%25%42%45%25%41%39%25%42%30%25%45%43%25%43%41%25%43%32%25%42%34%25%41%36_1s.htmhttps://www.fastsoso.cc/search?k=%E7%8E%89%E5%92%8C%E5%A8%B1%E4%B9%90999yuhecom%E3%80%90%E5%AE%98%E7%BD%91%E2%86%92TL262%C2%B7%EF%BC%A3%EF%BC%AF%EF%BC%AD%E3%80%91%E8%B5%A3%E5%B7%9E%E5%AD%A6%E5%BA%9Chttp://house.china.com.cn/sousou/%25101%253D%252C%2520%25B9%25E3%25B6%25AB%25B8%25DF%25D6%25DD%25C4%25C4%25D3%25D0%25CD%25F8%25C9%25CF%25C6%25BD%25CC%25A8%25D6%25B1%25D3%25AA%25BF%25AA%25BB%25A7%253ATL262%25A1%25A4C%25A3%25CFM%252C%25CF%25CC%25D1%25F4%25B5%25E7%25CA%25D3%25CC%25A8_1s.htmhttps://iias.tsinghua.edu.cn/search/%E7%BC%85%E7%94%B8%E5%8D%8E%E7%BA%B3%E5%9B%BD%E9%99%85%E5%A8%B1%E4%B9%90%E9%9B%86%E5%9B%A2%E8%B4%AD%E6%88%BF%E4%B8%AD%E5%BF%83%E7%BD%91%E5%9D%80B2024.%EF%BC%A3N%E7%8E%B0%E5%9C%BA%E8%A7%86%E9%A2%91/feed/rss/https://www.fastsoso.cc/search?k=%E7%99%BE%E8%83%9C%E5%B8%9D%E5%AE%9D%E5%AE%98%E6%96%B9%E7%9B%B4%E8%90%A5%E5%BC%80%E6%88%B7%3ATL262%C2%B7C%EF%BC%AFM%E5%B8%B8%E5%BE%B7%E5%8D%AB%E8%AE%A1%E5%A7%94%EF%BC%AAhttps://minecraft.fandom.com/zh/wiki/UserProfile:%E9%94%A6%E5%88%A9%E5%9B%BD%E9%99%85%E7%BA%BF%E4%B8%8A%E5%AD%98%E5%8F%96%E5%AE%98%E7%BD%91B2024%C2%B7CN%E5%A4%A7%E5%90%8C%E7%BD%91%E9%80%9A?variant=zh-hk&cb=&mobileaction=toggle_view_mobilehttp://www.vpansou.com/query?wd=%E8%80%81%E8%A1%97%E8%85%BE%E9%BE%99%E5%A8%B1%E4%B9%90%E5%85%AC%E5%8F%B8%E6%8E%A5%E9%80%81%E7%94%B5%E8%AF%9D%E7%9B%B4%E8%90%A5%E5%BC%80%E6%88%B7%3ATL262%C2%B7%EF%BC%A3%EF%BC%AF%EF%BC%AD%E9%B9%A4%E5%A3%81%E5%8C%BB%E4%BF%9Dhttps://www.oschina.net/search?scope=news&q=%E7%BC%85%E7%94%B8%E9%91%AB%E4%BD%B0%E5%88%A9%E5%BC%80%E6%88%B7%E6%89%BE%E8%B0%81%E5%AE%98%E7%BD%91B2024%EF%BC%8E%EF%BC%A3N%E6%9C%9D%E9%98%B3%E5%88%86%E5%85%AC%E5%8F%B8%EF%BC%81%EF%BC%BA&days=0&onlytitle=0&sort_by_time=0https://list.jd.com/search?keyword=%E9%BB%91%E9%BE%99%E6%B1%9F%E9%B9%A4%E5%B2%97%E7%9C%9F%E4%BA%BA%E9%BE%99%E8%99%8E%E5%AE%98%E7%BD%91TL262%C2%B7%EF%BC%A3%EF%BC%AF%EF%BC%AD%E9%98%9C%E6%96%B0%E4%BC%81%E4%B8%9A%EF%BC%B1%EF%BC%92%EF%BD%9Ehttps://www.fastsoso.cc/search?k=%E8%85%BE%E9%BE%99%E5%9B%BD%E9%99%85%E8%B4%B5%E5%AE%BE%E4%BC%9A%E7%94%B5%E8%AF%9D%E7%9B%B4%E8%90%A5%E7%BD%91TL262%C2%B7C%EF%BC%AFM%E4%BD%9B%E5%B1%B1%E7%94%9F%E6%B4%BBhttp://biz.finance.sina.com.cn/zjzt/more.php?lytype=ipoly_hyxdly&title=%D0%C2%BD%F5%BD%AD%BF%AA%BB%A7%A1%BETL262%A1%A4C%A3%CFM%BB%B6%D3%AD%C4%FA%A1%BF%CD%AD%B4%A8%CD%F8%CD%A8%A3%F0%A3%F9https://search.bilibili.com/all?keyword=%E8%80%81%E8%A1%97%E8%85%BE%E9%BE%99%E5%9B%BD%E9%99%85%E9%A6%96%E9%A1%B5%E7%9B%B4%E8%90%A5%E7%BD%91TL262%C2%B7%EF%BC%A3%EF%BC%AF%EF%BC%AD%E4%B9%8C%E6%B5%B7%E5%B9%BF%E6%92%AD%EF%BF%A5%EF%BC%B0https://www.oschina.net/search?scope=all&q=%E6%B5%B7%E5%8D%97%E4%B8%87%E5%AE%81%E7%9C%9F%E4%BA%BA%E9%BE%99%E8%99%8E%E7%9B%B4%E8%90%A5%E5%BC%80%E6%88%B7%3ATL262%C2%B7%EF%BC%A3%EF%BC%AF%EF%BC%AD%E9%93%9C%E5%B7%9D%E5%8D%AB%E8%A7%86%EF%BC%BEhttps://www.oschina.net/search?scope=news&q=%E6%B5%99%E6%B1%9F%E6%9D%AD%E5%B7%9E%E6%89%8B%E6%9C%BA%E7%BD%91%E6%8A%95%E5%B9%B3%E5%8F%B0%E6%8E%A8%E8%8D%90B2024%C2%B7CN%E7%99%BD%E5%B1%B1%E4%BD%93%E8%82%B2&days=0&onlytitle=0&sort_by_time=0https://minecraft.fandom.com/zh/wiki/UserProfile:%E7%9C%9F%E4%BA%BA%E9%BE%99%E8%99%8E%E5%92%8C%E4%B8%8B%E8%BD%BD%E5%BE%AE%E4%BF%A1%E5%AE%98%E7%BD%91B2024%C2%B7CN%E6%99%AE%E6%B4%B1%E5%88%86%E7%AB%99?variant=zh-hk&cb=&mobileaction=toggle_view_mobilehttp://www.vpansou.com/query?wd=%E6%9E%9C%E6%95%A2%E9%BE%99%E8%85%BE%E5%9B%BD%E9%99%85%E5%A8%B1%E4%B9%90%E5%AE%98%E6%96%B9%E7%BD%91%E5%9D%80B2024.CN%E6%BB%81%E5%B7%9E%E7%83%AD%E9%97%A8https://www.fastsoso.cc/search?k=%E6%9E%9C%E6%95%A2%E8%85%BE%E9%BE%99%E5%9B%BD%E9%99%85%E7%94%B5%E8%AF%9D%E5%B9%B3%E5%8F%B0%E6%80%8E%E4%B9%88%E5%85%85%E5%80%BC%E7%9B%B4%E8%90%A5%E7%BD%91B2024.CN%E9%98%B3%E6%B3%89%E7%BE%8E%E9%A3%9Fhttp://biz.finance.sina.com.cn/zjzt/more.php?lytype=ipoly_hyxdly&title=%C3%E5%B5%E9%F6%CE%CA%A4%D3%E9%C0%D6%CD%F8%D5%BE%BA%C5%D6%B1%D3%AA%CD%F8B2024%A1%A4CN%B0%D7%D2%F8%B0%D9%D0%D5%CD%F8%A3%DE%A3%B2http://www.minitu.cn/?s=%E6%9E%9C%E5%8D%9A%E4%B8%9C%E6%96%B9%E6%80%BB%E4%BB%A3%E7%90%86%E7%9B%B4%E8%90%A5%E5%BC%80%E6%88%B7%3ATL262%C2%B7C%EF%BC%AFM%E5%A8%81%E6%B5%B7%E7%84%A6%E7%82%B9%EF%BC%B2https://www.oschina.net/search?scope=news&q=%E7%BC%85%E7%94%B8%E4%BD%A4%E9%82%A6%E6%B0%B8%E9%91%AB%E9%9B%86%E5%9B%A2%E5%AE%98%E6%96%B9%E7%BD%91%E5%9D%80TL262%C2%B7%EF%BC%A3%EF%BC%AF%EF%BC%AD%E5%A4%AA%E5%8E%9F%E4%BA%A4%E7%AE%A1%E5%B1%80&days=0&onlytitle=0&sort_by_time=0https://b2b.baidu.com/s?q=%E8%B5%8C%E5%8D%9A%E5%A8%B1%E4%B9%90%5F%E8%B5%8C%E5%9C%BA%E5%BE%AE%E4%BF%A1%E5%BC%80%E6%88%B7%E7%94%B5%E8%AF%9D%E5%BC%80%E6%88%B7B2024.cN%E6%B7%AE%E5%8C%97%E7%94%B5%E8%A7%86%E5%8F%B0&from=searchhttps://www.oschina.net/search?scope=news&q=%E6%9E%9C%E5%8D%9A%E4%B8%9C%E6%96%B9%E6%89%8B%E6%9C%BA%E7%89%88%E6%B3%A8%E5%86%8C%E5%BC%80%E6%88%B7TL262.c%EF%BC%AF%EF%BC%AD%E4%B8%89%E6%98%8E%E8%81%94%E9%80%9Ahttp://house.china.com.cn/sousou/%25101%253D%252C%2520%25C0%25CF%25BD%25D6%25BB%25CA%25BC%25D2%25C0%25FB%25BB%25AA%25B9%25AB%25CB%25BE%25BD%25D3%25CB%25CD%25B5%25E7%25BB%25B0%25D6%25B1%25D3%25AA%25CD%25F8B2024%25A1%25A4CN%252C%25E3%25F2%25D6%25DD%25C8%25C8%25CB%25D1%25A3%25FD%25A3%25D1%25A3%25BB_1s.htm

0 回复 有任何疑惑可以回复我~

在你执行if语句的时候,这段函数已经结束了,程序识别到return语句时,会跳出循环体

0 回复 有任何疑惑可以回复我~

举报

0/150
提交
取消
python进阶
  • 参与学习       255793    人
  • 解答问题       2946    个

学习函数式、模块和面向对象编程,掌握Python高级程序设计

进入课程

这两种写法有什么区别

我要回答 关注问题
意见反馈 帮助中心 APP下载
官方微信