{"id":546,"date":"2017-02-12T23:57:26","date_gmt":"2017-02-12T15:57:26","guid":{"rendered":"http:\/\/192.168.1.20\/?p=546"},"modified":"2017-10-23T11:57:22","modified_gmt":"2017-10-23T03:57:22","slug":"python{d4daabd1ba368d9860c36387ddb72bbda14f8f9559d69d60a952800885260c03}e4{d4daabd1ba368d9860c36387ddb72bbda14f8f9559d69d60a952800885260c03}b8{47dd41ec6bdcbd9a214c783a3735392b82ea6d1d918378c5a53e06407","status":"publish","type":"post","link":"http:\/\/alextop.top\/?p=546","title":{"rendered":"Python\u4e2d\u7528\u4e8e\u8fd4\u56de\u7edd\u5bf9\u503c\u7684abs()\u65b9\u6cd5"},"content":{"rendered":"

\n\u00a0<\/p>\n

\u6295\u7a3f\uff1a<\/span>goldensun <\/span>\u5b57\u4f53\uff1a<\/span>[<\/span>\u589e\u52a0<\/span>\u00a0<\/span>\u51cf\u5c0f<\/span>] <\/span>\u7c7b\u578b\uff1a\u8f6c\u8f7d<\/span>
\n\t\t\t\t\t\t\t<\/span>\u65f6\u95f4\uff1a<\/span>2015-05-14\u00a0<\/span><\/a><\/span>\u6211\u8981\u8bc4\u8bba<\/span>
\n\t\t\t\t\t\t\t<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n

\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4ecb\u7ecd\u4e86<\/span>Python<\/span>\u4e2d\u7528\u4e8e\u8fd4\u56de\u7edd\u5bf9\u503c\u7684<\/span>abs()<\/span>\u65b9\u6cd5<\/span>,<\/span>\u662f<\/span>Python<\/span>\u5165\u95e8\u4e2d\u7684\u57fa\u7840\u77e5\u8bc6<\/span>,<\/span>\u9700\u8981\u7684\u670b\u53cb\u53ef\u4ee5\u53c2\u8003\u4e0b<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0<\/span>\u65b9\u6cd5<\/span>abs() <\/span>\u8fd4\u56de<\/span>x<\/span>\u7684\u7edd\u5bf9\u503c\uff0c<\/span>-x-<\/span>\u96f6\u4e4b\u95f4\u7684<\/span>(<\/span>\u6b63\u6781<\/span>)<\/span>\u7684\u8ddd\u79bb\u3002<\/span>
<\/span>\u8bed\u6cd5<\/strong><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u4ee5\u4e0b\u662f<\/span>abs()<\/span>\u65b9\u6cd5\u7684\u8bed\u6cd5\uff1a<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

?<\/span><\/a>
\n\t\t<\/span><\/p>\n

\n\n\n\n<\/colgroup>\n\n\n
\n

1<\/span><\/p>\n<\/td>\n

\n

abs( x )<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

\u53c2\u6570<\/strong><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u00a0\u00a0\u00a0 x — <\/span>\u8fd9\u662f\u4e00\u4e2a\u6570\u503c\u8868\u8fbe\u5f0f<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u8fd4\u56de\u503c<\/strong><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u6b64\u65b9\u6cd5\u8fd4\u56de<\/span>x<\/span>\u7684\u7edd\u5bf9\u503c\u3002<\/span>
<\/span>\u4f8b\u5b50<\/strong><\/span>
\n\t\t\t<\/span><\/span><\/p>\n

\u4e0b\u9762\u7684\u4f8b\u5b50\u663e\u793a<\/span>abs()<\/span>\u65b9\u6cd5\u7684\u4f7f\u7528\u3002<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

?<\/span><\/a>
\n\t\t<\/span><\/p>\n

\n\n\n\n<\/colgroup>\n\n\n
\n

1
\n<\/span><\/p>\n

2
\n<\/span><\/p>\n

3
\n<\/span><\/p>\n

4
\n<\/span><\/p>\n

5<\/span><\/p>\n<\/td>\n

\n

#!\/usr\/bin\/python<\/span>
\n\t\t\t\t\t\t\t<\/span><\/p>\n

\u00a0
\n\u00a0<\/p>\n

print<\/span>
\n\t\t\t\t\t\t\t\t“abs(-45) : “, abs(-45)<\/span>
\n\t\t\t\t\t\t\t<\/span><\/p>\n

print<\/span>
\n\t\t\t\t\t\t\t\t“abs(100.12) : “, abs(100.12)<\/span>
\n\t\t\t\t\t\t\t<\/span><\/p>\n

print<\/span>
\n\t\t\t\t\t\t\t\t“abs(119L) : “, abs(119L)<\/span><\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

\u5f53\u6211\u4eec\u8fd0\u884c\u4e0a\u9762\u7684\u7a0b\u5e8f\uff0c\u5b83\u4f1a\u4ea7\u751f\u4ee5\u4e0b\u7ed3\u679c\uff1a<\/span>
\n\t\t\t<\/span><\/span><\/p>\n

?<\/span><\/a>
\n\t\t<\/span><\/p>\n

\n\n\n\n<\/colgroup>\n\n\n
\n

1
\n<\/span><\/p>\n

2
\n<\/span><\/p>\n

3<\/span><\/p>\n<\/td>\n

\n

abs(-45) : 45<\/span>
\n\t\t\t\t\t\t\t<\/span><\/p>\n

abs(100.12) : 100.12<\/span>
\n\t\t\t\t\t\t\t<\/span><\/p>\n

abs(119L) : 119<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

\u00a0 \u6295\u7a3f\uff1agoldensun …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[24,10],"tags":[],"class_list":["post-546","post","type-post","status-publish","format-standard","hentry","category-python","category-jishu"],"_links":{"self":[{"href":"http:\/\/alextop.top\/index.php?rest_route=\/wp\/v2\/posts\/546"}],"collection":[{"href":"http:\/\/alextop.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/alextop.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/alextop.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/alextop.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=546"}],"version-history":[{"count":1,"href":"http:\/\/alextop.top\/index.php?rest_route=\/wp\/v2\/posts\/546\/revisions"}],"predecessor-version":[{"id":1001,"href":"http:\/\/alextop.top\/index.php?rest_route=\/wp\/v2\/posts\/546\/revisions\/1001"}],"wp:attachment":[{"href":"http:\/\/alextop.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=546"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/alextop.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=546"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/alextop.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=546"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}