{"id":5462,"date":"2022-04-02T21:24:49","date_gmt":"2022-04-02T13:24:49","guid":{"rendered":"https:\/\/egonlin.com\/?p=5462"},"modified":"2022-04-02T21:24:49","modified_gmt":"2022-04-02T13:24:49","slug":"04-02-%e7%a8%8b%e5%ba%8f%e7%9a%84%e5%88%86%e6%94%af%e6%8e%a7%e5%88%b6","status":"publish","type":"post","link":"https:\/\/egonlin.com\/?p=5462","title":{"rendered":"04-02 \u7a0b\u5e8f\u7684\u5206\u652f\u63a7\u5236"},"content":{"rendered":"<h1>\u4e00\u3001\u6982\u8ff0<\/h1>\n<ul>\n<li>\u5355\u5206\u652f\u7ed3\u6784<\/li>\n<li>\u4e8c\u5206\u652f\u7ed3\u6784<\/li>\n<li>\u591a\u5206\u652f\u7ed3\u6784<\/li>\n<li>\u6761\u4ef6\u5224\u65ad\u53ca\u7ec4\u5408<\/li>\n<li>\u7a0b\u5e8f\u7684\u5f02\u5e38\u5904\u7406<\/li>\n<\/ul>\n<h1>\u4e8c\u3001\u5355\u5206\u652f\u7ed3\u6784<\/h1>\n<p>\u6839\u636e\u5224\u65ad\u6761\u4ef6\u7ed3\u679c\u800c\u9009\u62e9\u4e0d\u540c\u5411\u524d\u8def\u5f84\u7684\u8fd0\u884c\u65b9\u5f0f<\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2022\/04\/\u7a0b\u5e8f\u7684\u5206\u652f\u63a7\u52361.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2022\/04\/\u7a0b\u5e8f\u7684\u5206\u652f\u63a7\u52361.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" \/><\/div><\/p>\n<h2>2.1 \u5355\u5206\u652f\u793a\u4f8b<\/h2>\n<pre><code class=\"language-python\">if True:\n    print(&quot;\u6761\u4ef6\u6210\u7acb&quot;)<\/code><\/pre>\n<pre><code>\u6761\u4ef6\u6210\u7acb<\/code><\/pre>\n<h1>\u4e09\u3001\u4e8c\u5206\u652f\u7ed3\u6784<\/h1>\n<p>\u6839\u636e\u5224\u65ad\u6761\u4ef6\u7ed3\u679c\u800c\u9009\u62e9\u4e0d\u540c\u5411\u524d\u8def\u5f84\u7684\u8fd0\u884c\u65b9\u5f0f<\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2022\/04\/\u7a0b\u5e8f\u7684\u5206\u652f\u63a7\u52362.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2022\/04\/\u7a0b\u5e8f\u7684\u5206\u652f\u63a7\u52362.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" \/><\/div><\/p>\n<h2>3.1 \u4e8c\u5206\u652f\u793a\u4f8b<\/h2>\n<pre><code class=\"language-python\">guess = eval(input(&quot;\u8bf7\u8f93\u5165\u4f60\u731c\u6d4b\u7684\u5e74\u9f84\uff1a&quot;))\nif guess == 99:\n    print(&quot;\u731c\u5bf9\u4e86&quot;)<\/code><\/pre>\n<pre><code>\u8bf7\u8f93\u5165\u4f60\u731c\u6d4b\u7684\u5e74\u9f84\uff1a99\n\u731c\u5bf9\u4e86<\/code><\/pre>\n<h2>3.2 \u7d27\u51d1\u5f62\u5f0f<\/h2>\n<p>\u7d27\u51d1\u5f62\u5f0f\uff1a\u9002\u7528\u4e8e\u7b80\u5355\u8868\u8fbe\u5f0f\u7684\u4e8c\u5206\u652f\u7ed3\u6784<\/p>\n<p><code>&lt;\u8868\u8fbe\u5f0f1&gt; if &lt;\u6761\u4ef6&gt; else &lt;\u8868\u8fbe\u5f0f2&gt;<\/code><\/p>\n<pre><code class=\"language-python\">guess = eval(input())\n\nprint(&quot;\u731c{}\u4e86&quot;.format(&quot;\u5bf9&quot; if guess == 99 else &quot;\u9519&quot;))<\/code><\/pre>\n<h1>\u56db\u3001\u591a\u5206\u652f\u7ed3\u6784<\/h1>\n<pre><code class=\"language-python\">if &lt;\u6761\u4ef61&gt;:\n    &lt;\u8bed\u53e5\u57571&gt;\nelif &lt;\u6761\u4ef62&gt;:\n    &lt;\u8bed\u53e5\u57572&gt;\n    \u2026\u2026\nelse:\n    &lt;\u8bed\u53e5\u5757N&gt;<\/code><\/pre>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2022\/04\/\u7a0b\u5e8f\u7684\u5206\u652f\u63a7\u52363.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2022\/04\/\u7a0b\u5e8f\u7684\u5206\u652f\u63a7\u52363.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" \/><\/div><\/p>\n<ul>\n<li>\u6ce8\u610f\u591a\u6761\u4ef6\u4e4b\u95f4\u7684\u5305\u542b\u5173\u7cfb<\/li>\n<li>\u6ce8\u610f\u53d8\u91cf\u53d6\u503c\u8303\u56f4\u7684\u8986\u76d6<\/li>\n<\/ul>\n<pre><code class=\"language-python\">score = eval(input())\nif score &gt;= 60:\n    grade = &#039;D&#039;\nelif score &gt;= 70:\n    grade = &#039;C&#039;\nelif score &gt;= 80:\n    grade = &#039;B&#039;\nelif score &gt;= 90:\n    grade = &#039;A&#039;\n\nprint(&quot;\u8f93\u5165\u6210\u7ee9\u5c5e\u4e8e\u7ea7\u522b{}&quot;.format(grade))<\/code><\/pre>\n<h1>\u4e94\u3001\u6761\u4ef6\u5224\u65ad\u53ca\u7ec4\u5408<\/h1>\n<h2>5.1 \u6761\u4ef6\u5224\u65ad<\/h2>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: center;\">\u64cd\u4f5c\u7b26<\/th>\n<th style=\"text-align: center;\">\u6570\u5b66\u7b26\u53f7<\/th>\n<th style=\"text-align: center;\">\u63cf\u8ff0<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: center;\">&lt;<\/td>\n<td style=\"text-align: center;\">&lt;<\/td>\n<td style=\"text-align: center;\">\u5c0f\u4e8e<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">&lt;=<\/td>\n<td style=\"text-align: center;\">\u2264<\/td>\n<td style=\"text-align: center;\">\u5c0f\u4e8e\u7b49\u4e8e<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">&gt;=<\/td>\n<td style=\"text-align: center;\">\u2265<\/td>\n<td style=\"text-align: center;\">\u5927\u4e8e\u7b49\u4e8e<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">&gt;<\/td>\n<td style=\"text-align: center;\">&gt;<\/td>\n<td style=\"text-align: center;\">\u5927\u4e8e<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">==<\/td>\n<td style=\"text-align: center;\">=<\/td>\n<td style=\"text-align: center;\">\u7b49\u4e8e<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">!=<\/td>\n<td style=\"text-align: center;\">\u2260<\/td>\n<td style=\"text-align: center;\">\u4e0d\u7b49\u4e8e<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>5.2 \u6761\u4ef6\u7ec4\u5408<\/h2>\n<p>\u7528\u4e8e\u6761\u4ef6\u7ec4\u5408\u7684\u4e09\u4e2a\u4fdd\u7559\u5b57<\/p>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: center;\">\u64cd\u4f5c\u7b26\u53ca\u4f7f\u7528<\/th>\n<th style=\"text-align: center;\">\u63cf\u8ff0<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: center;\">x and y<\/td>\n<td style=\"text-align: center;\">\u4e24\u4e2a\u6761\u4ef6x\u548cy\u7684\u903b\u8f91\u4e0e<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">x or y<\/td>\n<td style=\"text-align: center;\">\u4e24\u4e2a\u6761\u4ef6x\u548cy\u7684\u903b\u8f91\u6216<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">not x<\/td>\n<td style=\"text-align: center;\">\u6761\u4ef6x\u7684\u903b\u8f91\u975e<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>5.3 \u6761\u4ef6\u5224\u65ad\u53ca\u7ec4\u5408<\/h2>\n<pre><code class=\"language-python\">guess = eval(input())\nif guess &gt; 99 or guess &lt; 99:\n    print(&quot;\u731c\u9519\u4e86&quot;)\nelse:\n    print(&quot;\u731c\u5bf9\u4e86&quot;)<\/code><\/pre>\n<h1>\u516d\u3001\u7a0b\u5e8f\u7684\u5f02\u5e38\u5904\u7406<\/h1>\n<h2>6.1 \u5f02\u5e38\u5904\u7406<\/h2>\n<pre><code class=\"language-python\">num = eval(input(&quot;\u8bf7\u8f93\u5165\u4e00\u4e2a\u6574\u6570: &quot;))\nprint(num**2)\n\n# \u5f53\u7528\u6237\u6ca1\u6709\u8f93\u5165\u6574\u6570\u65f6\uff0c\u4f1a\u4ea7\u751f\u5f02\u5e38\uff0c\u600e\u4e48\u5904\u7406\uff1f<\/code><\/pre>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2022\/04\/\u7a0b\u5e8f\u7684\u5206\u652f\u63a7\u52364.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2022\/04\/\u7a0b\u5e8f\u7684\u5206\u652f\u63a7\u52364.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" \/><\/div><\/p>\n<h2>6.2 \u5f02\u5e38\u5904\u7406\u7684\u57fa\u672c\u4f7f\u7528<\/h2>\n<h3>6.2.1 \u793a\u4f8b1<\/h3>\n<pre><code class=\"language-python\">try:\n    &lt;\u8bed\u53e5\u57571&gt;\nexcept:\n    &lt;\u8bed\u53e5\u57572&gt;<\/code><\/pre>\n<pre><code class=\"language-python\">try:\n    num = eval(input(&quot;\u8bf7\u8f93\u5165\u4e00\u4e2a\u6574\u6570: &quot;))\n    print(num**2)\nexcept:\n    print(&quot;\u8f93\u5165\u4e0d\u662f\u6574\u6570&quot;)<\/code><\/pre>\n<h3>6.2.2 \u793a\u4f8b2<\/h3>\n<pre><code class=\"language-python\">try:\n    &lt;\u8bed\u53e5\u57571&gt;\nexcept &lt;\u5f02\u5e38\u7c7b\u578b&gt;:\n    &lt;\u8bed\u53e5\u57572&gt;\ntry:<\/code><\/pre>\n<pre><code class=\"language-python\">try:\n    num = eval(input(&quot;\u8bf7\u8f93\u5165\u4e00\u4e2a\u6574\u6570: &quot;))\n    print(num**2)\n# \u6807\u6ce8\u5f02\u5e38\u7c7b\u578b\u540e\uff0c\u4ec5\u54cd\u5e94\u8be5\u5f02\u5e38\n# \u5f02\u5e38\u7c7b\u578b\u540d\u5b57\u7b49\u540c\u4e8e\u53d8\u91cf\nexcept NameError:\n    print(&quot;\u8f93\u5165\u4e0d\u662f\u6574\u6570&quot;)<\/code><\/pre>\n<h2>6.3 \u5f02\u5e38\u5904\u7406\u7684\u9ad8\u7ea7\u4f7f\u7528<\/h2>\n<pre><code class=\"language-python\">try:\n    &lt;\u8bed\u53e5\u57571&gt; \nexcept:\n    &lt;\u8bed\u53e5\u57572&gt; \nelse:\n    &lt;\u8bed\u53e5\u57573&gt; \nfinally:\n    &lt;\u8bed\u53e5\u57574&gt;<\/code><\/pre>\n<ul>\n<li><code>finally<\/code>\u5bf9\u5e94\u8bed\u53e5\u57574\u4e00\u5b9a\u6267\u884c<\/li>\n<li><code>else<\/code>\u5bf9\u5e94\u8bed\u53e5\u57573\u5728\u4e0d\u53d1\u751f\u5f02\u5e38\u65f6\u6267\u884c<\/li>\n<\/ul>\n<h1>\u4e03\u3001\u5355\u5143\u5c0f\u7ed3<\/h1>\n<ul>\n<li>\u5355\u5206\u652f <code>if<\/code> \u4e8c\u5206\u652f <code>if-else<\/code> \u53ca\u7d27\u51d1\u5f62\u5f0f<\/li>\n<li>\u591a\u5206\u652f <code>if-elif-else<\/code> \u53ca\u6761\u4ef6\u4e4b\u95f4\u5173\u7cfb<\/li>\n<li><code>not and or &gt; &gt;= == &lt;= &lt; !=<\/code><\/li>\n<li>\u5f02\u5e38\u5904\u7406 <code>try-except-else-finally<\/code><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u3001\u6982\u8ff0 \u5355\u5206\u652f\u7ed3\u6784 \u4e8c\u5206\u652f\u7ed3\u6784 \u591a\u5206\u652f\u7ed3\u6784 \u6761\u4ef6\u5224\u65ad\u53ca\u7ec4\u5408 \u7a0b\u5e8f\u7684\u5f02\u5e38\u5904\u7406 \u4e8c\u3001\u5355\u5206\u652f\u7ed3\u6784 \u6839\u636e\u5224\u65ad\u6761\u4ef6\u7ed3\u679c [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":5465,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[371,375],"tags":[],"_links":{"self":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/5462"}],"collection":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5462"}],"version-history":[{"count":0,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/5462\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/media\/5465"}],"wp:attachment":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5462"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5462"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5462"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}