{"id":422101,"date":"2021-04-01T13:19:24","date_gmt":"2021-04-01T05:19:24","guid":{"rendered":"http:\/\/4563.org\/?p=422101"},"modified":"2021-04-01T13:19:24","modified_gmt":"2021-04-01T05:19:24","slug":"%e4%b8%80%e4%b8%aa-python-%e8%ae%a1%e6%97%b6%e5%99%a8%e5%b0%81%e8%a3%85%e7%9a%84%e9%97%ae%e9%a2%98","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=422101","title":{"rendered":"\u4e00\u4e2a Python \u8ba1\u65f6\u5668\u5c01\u88c5\u7684\u95ee\u9898"},"content":{"rendered":"<div>\n<div>\n<div>\n<h1>                  \u4e00\u4e2a Python \u8ba1\u65f6\u5668\u5c01\u88c5\u7684\u95ee\u9898               <\/h1>\n<p> <\/p>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : LeeReamond <\/span>  <span><i><\/i> 2<\/span> <\/div>\n<div> <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<div isfirst=\"1\"> <\/p>\n<p>\u65e5\u5e38\u7f16\u7a0b\u4e2d\uff0c\u5e38\u5e38\u7ea0\u7ed3\u4e8e\u54ea\u79cd\u5b9e\u73b0\u65b9\u5f0f\u8fd0\u884c\u901f\u5ea6\u66f4\u5feb\uff0c\u9700\u8981\u5bf9\u4e00\u4e9b\u7b80\u77ed\u7684 codeblock \u8fdb\u884c\u6d4b\u8bd5<\/p>\n<p>python \u867d\u7136\u6709\u4e00\u4e2a\u6210\u719f\u7684 timeit \u751f\u6001\uff0c\u4f46\u662f timeit \u7684\u7f3a\u70b9\u662f\u63d0\u4f9b\u6d4b\u8bd5\u7ed3\u679c\u6bd4\u8f83\u4e25\u8c28\uff0c\u51c6\u5907\u6d4b\u8bd5\u73af\u5883\u76f8\u5bf9\u6765\u8bf4\u590d\u6742\u4e00\u4e9b\u3002\u800c\u8fd9\u7c7b\u65e5\u5e38\u7684\u6d4b\u8bd5\u5219\u4e0d\u9700\u8981\u4e25\u8c28\u7684\u5bf9\u6bd4\uff0c\u901a\u5e38\u53ea\u9700\u8981\u5b9a\u6027\uff0c\u54ea\u4e2a\u5927\u7565\u4e0a\u66f4\u5feb\u4e00\u4e9b\uff0c\u4f46\u662f\u5e0c\u671b\u66f4\u52a0\u6613\u7528\uff0c\u5199\u4e00\u884c\u4ee3\u7801\u7acb\u5373\u8dd1\u51fa\u7ed3\u679c\uff0c\u6240\u4ee5 timeit \u5e76\u4e0d\u662f\u5341\u5206\u7b26\u5408\u9700\u6c42\u3002<\/p>\n<p>\u6240\u4ee5\u5b9e\u9645\u5f00\u53d1\u4e2d\u901a\u5e38\u503e\u5411\u4e8e\u624b\u5199\u4e00\u4e9b\u5c0f\u5de5\u5177\u6765\u5b9e\u73b0\u8ba1\u65f6\uff0c\u4e00\u822c\u601d\u8def\u662f\u4f7f\u7528\u4e0a\u4e0b\u6587\u7ba1\u7406\u5668\uff0c\u5728\u8fdb\u5165\u548c\u9000\u51fa\u6307\u5b9a block \u7684\u65f6\u5019\u7edf\u8ba1\u8fd0\u884c\u65f6\u95f4\u5373\u53ef\uff0c\u5e76\u4e14\u8fd9\u79cd\u505a\u6cd5\u4e0d\u4f1a\u5f62\u6210\u5355\u72ec scope\uff0c\u4e0d\u5f71\u54cd\u4e0a\u4e0b\u6587\u6570\u636e\u7ed3\u6784\u3002<\/p>\n<p>\u73b0\u5728\u6709\u4e00\u4e2a\u95ee\u9898\u5c31\u662f\uff0c\u901a\u5e38\u6027\u80fd\u5bf9\u6bd4\u9700\u8981\u5faa\u73af\u6267\u884c\u624d\u80fd\u770b\u51fa\u5dee\u5f02\uff0c\u6240\u4ee5\u8981\u5199\u5f88\u591a\u591a\u4f59\u4ee3\u7801\uff0c\u6bd4\u5982<\/p>\n<pre><code>with timeit():     for _ in range(1e8):         ... # \u771f\u6b63\u9700\u8981\u6d4b\u8bd5\u7684\u4ee3\u7801\u6bb5 <\/code><\/pre>\n<p>\u611f\u89c9\u6bcf\u6b21\u90fd\u8981\u91cd\u590d\u5199\u4e00\u4e2a for \u5faa\u73af\u633a\u9ebb\u70e6\u7684\uff0c\u6709\u6ca1\u6709\u529e\u6cd5\u628a\u8fd9\u90e8\u5206\u903b\u8f91\u5c01\u88c5\u5728\u5bf9\u8c61\u91cc\u5462\uff1f<\/p>\n<p>\u8ba9\u4f7f\u7528\u4e0a\u53d8\u6210\u8fd9\u79cd\u611f\u89c9<\/p>\n<pre><code>with timeit(1e8):     ... # \u9700\u8981\u6d4b\u8bd5\u7684\u4ee3\u7801\u6bb5 <\/code><\/pre>\n<p>\u6211\u662f\u6ca1\u4ec0\u4e48\u601d\u8def\uff0c\u4e0d\u77e5\u9053\u600e\u4e48\u624d\u80fd\u505a\u5230\uff0c\u6709\u6ca1\u6709\u5927\u4f6c\u5206\u4eab\u4e00\u4e0b\u60f3\u6cd5<\/p>\n<\/p><\/div>\n<div> <b>\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (<span>5<\/span>)        <\/div>\n<div> <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<ul>\n<li data-pid=\"5616820\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : liprais <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u88c5\u9970\u5668\u554a                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"5616821\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : charexcalibur <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u88c5\u9970\u5668                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"5616822\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u4e3b<\/span> <span>\u8cc7\u6df1\u5927\u4f6c : LeeReamond <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @liprais <br \/>@charexcalibur <\/p>\n<p>\u88c5\u9970\u5668\u65b9\u6848\u6bd4\u73b0\u5728\u66f4\u62c9\u80ef\uff0c\u6bd4\u5982\u6211\u6709\u4e00\u4e2a\u7b80\u5355\u7684\u9700\u6c42\uff0c\u6211\u6709\u67d0\u4e2a\u5217\u8868\uff0c\u9700\u8981\u628a\u91cc\u9762\u5185\u5bb9\u5168\u90e8+2\uff0c\u5b8c\u5168\u7528\u539f\u751f\u5b9e\u73b0\u6211\u8981\u8003\u8651\u662f\u5faa\u73af\u901f\u5ea6\u5feb\u8fd8\u662f\u5217\u8868\u751f\u6210\u5668\u901f\u5ea6\u5feb\uff0c\u50cf\u4e0b\u9762\u8fd9\u4e24\u6bb5\u4ee3\u7801<\/p>\n<p>https:\/\/gist.github.com\/GoodManWEN\/23274b3bcdd6fbeb352bea9f44b85441 <button onclick=\"lazyGist(this)\">\u00a0\u663e\u793a Gist \u4ee3\u7801\u00a0<\/button> <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"5616823\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : volvo007 <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @LeeReamond \u88c5\u9970\u5668\uff0c\u662f\u7684\uff0c\u5373\u4f7f\u770b\u5230\u4e86\u4f60\u7684\u62b1\u6028\uff0c\u8fd8\u662f\u88c5\u9970\u5668<br \/>\u591a\u5199\u5199\u4e60\u60ef\u5c31\u597d\u3002\u8bdd\u8bf4\u56de\u6765\uff0c\u51fd\u6570\u5957\u51fd\u6570\u600e\u4e48\u5c31\u96be\u4e86                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"5616824\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u4e3b<\/span> <span>\u8cc7\u6df1\u5927\u4f6c : LeeReamond <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @volvo007 \u663e\u7136\u5957\u51fd\u6570\u9700\u8981\u5148\u5b9a\u4e49\uff0c\u518d\u8c03\u7528\uff0c\u5199\u4e24\u884c\u4ee3\u7801\u591a\u4e8e\u539f\u5148\u4e00\u884c\u4ee3\u7801\uff0c\u8fd9\u662f\u5176\u4e00\u3002\u540c\u65f6\u51fd\u6570\u5f15\u5165\u65b0\u7684 scope\uff0c\u5355\u72ec\u6d4b\u8bd5\u6bb5\u843d\u5f15\u8d77\u4e0a\u4e0b\u6587\u5b9a\u4e49\u7f3a\u5931\u95ee\u9898\uff0c\u8fd9\u662f\u5176\u4e8c\uff0c\u4ee5\u4e0a\u4e24\u70b9\u662f\u5426\u5f88\u96be\u7406\u89e3\uff1f                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u4e2a Python \u8ba1\u65f6\u5668\u5c01\u88c5\u7684\u95ee&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/422101"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=422101"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/422101\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=422101"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=422101"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=422101"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}