{"id":100,"date":"2016-04-07T21:59:47","date_gmt":"2016-04-07T13:59:47","guid":{"rendered":"http:\/\/www.5x44.cn\/?p=100"},"modified":"2016-04-11T22:18:06","modified_gmt":"2016-04-11T14:18:06","slug":"8-4-making-assertions","status":"publish","type":"post","link":"https:\/\/www.5x44.cn\/?p=100","title":{"rendered":"8.4 making assertions"},"content":{"rendered":"<p>&gt;&gt; assert 1+1==2<br \/>\n&gt;&gt;&gt; assert 1+1==3<br \/>\nTraceback (most recent call last):<br \/>\nFile &#8220;&#8221;, line 1, in<br \/>\nAssertionError<br \/>\n&gt;&gt;&gt; assert 2+2==5, &#8220;only for very large values of 2&#8221;<br \/>\nTraceback (most recent call last):<br \/>\nFile &#8220;&#8221;, line 1, in<br \/>\nAssertionError: only for very large values of 2<br \/>\n&gt;&gt;&gt;<br \/>\n\uff081\uff09assert\u58f0\u660e\u540e\u9762\u8ddf\u968f\u4e00\u4e2a\u6709\u6548\u7684\u8868\u8fbe\u5f0f\uff0c\u5e76\u4e14\u8868\u8fbe\u5f0f\u7684\u7ed3\u679c\u4e3aTrue\uff0c\u90a3\u4e48assert\u4ec0\u4e48\u90fd\u4e0d\u505a\uff01\u5982\u679c\u7ed3\u679c\u4e3aFalse\u7684\u8bdd\u4f1a\u5f15\u53d1AssertionError\u9519\u8bef\u3002<br \/>\n\uff082\uff09\u5728\u5f15\u53d1AssertionError\u65f6\u53ef\u4ee5\u5305\u542b\u4e00\u6761\u53ef\u8bfb\u7684\u4fe1\u606f\u3002<br \/>\n<code>assert len(unique_characters) &lt;= 10, 'Too many letters' <\/code><\/p>\n<p>\u7b49\u4e8e<\/p>\n<p><code>if len(unique_characters) &gt; 10:<\/code><br \/>\n<code>\u00a0\u00a0\u00a0\u00a0 raise AssertionError('Too many letters')<\/code><\/p>\n","protected":false},"excerpt":{"rendered":"<p>&gt;&gt; assert 1+1==2 &gt;&gt;&gt; assert 1+1==3 Traceback (most recent call la&#8230;<\/p>\n<p class=\"read-more\"><a class=\"btn btn-default\" href=\"https:\/\/www.5x44.cn\/?p=100\"> Read More<span class=\"screen-reader-text\">  Read More<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-100","post","type-post","status-publish","format-standard","hentry","category-dive-into-python3"],"_links":{"self":[{"href":"https:\/\/www.5x44.cn\/index.php?rest_route=\/wp\/v2\/posts\/100","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.5x44.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.5x44.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.5x44.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.5x44.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=100"}],"version-history":[{"count":2,"href":"https:\/\/www.5x44.cn\/index.php?rest_route=\/wp\/v2\/posts\/100\/revisions"}],"predecessor-version":[{"id":126,"href":"https:\/\/www.5x44.cn\/index.php?rest_route=\/wp\/v2\/posts\/100\/revisions\/126"}],"wp:attachment":[{"href":"https:\/\/www.5x44.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=100"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.5x44.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=100"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.5x44.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=100"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}