{"id":172689,"date":"2022-04-16T22:49:14","date_gmt":"2022-04-16T14:49:14","guid":{"rendered":"http:\/\/www.idc.net\/help\/172689\/"},"modified":"2022-04-16T22:49:14","modified_gmt":"2022-04-16T14:49:14","slug":"%e5%90%8e%e6%b5%aa%e4%ba%91python%e6%95%99%e7%a8%8b%ef%bc%9apython%e4%b8%ad%e5%88%86%e8%be%a8int%e5%92%8cfloat%e7%9a%84%e5%b7%ae%e5%88%ab","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/172689\/","title":{"rendered":"\u540e\u6d6a\u4e91Python\u6559\u7a0b\uff1apython\u4e2d\u5206\u8fa8int\u548cfloat\u7684\u5dee\u522b"},"content":{"rendered":"

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

\u60f3\u8981\u8868\u8fbe\u6570\u503c\u7684\u65f6\u5019\u80fd\u591f\u66f4\u7cbe\u786e\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u5c0f\u6570\u70b9\u6765\u5b9e\u73b0\u3002\u5728\u6211\u4eec\u751f\u6d3b\u6d88\u8d39\u7684\u65f6\u5019\uff0c\u6709\u7684\u8d26\u5355\u4e0a\u4f1a\u663e\u793a\u5230\u5c0f\u6570\u70b9\u540e\u4e24\u4f4d\u3002\u90a3\u4e48\u5728python\u4e2d\u662f\u5982\u4f55\u533a\u5206\u6574\u6570\u597d\u5c0f\u6570\u7684\u5462\uff1f\u672c\u7bc7\u6211\u4eec\u4ee5int\u6574\u6570\u548cfloat\u5c0f\u6570\u4e3a\u4f8b\uff0c\u57fa\u4e8e\u6570\u636e\u7c7b\u578b\u7684\u4f7f\u7528\u73af\u5883\uff0c\u6559\u5927\u5bb6\u5728Python\u4e2d\u5bf9int \u548c float\u8fdb\u884c\u5206\u8fa8\uff0c\u5177\u4f53\u601d\u8def\u8fc7\u7a0b\u5982\u4e0b\u3002<\/span><\/p>\n

\u6d6e\u70b9\u578b\u5c31\u662f\u5c0f\u6570\u7c7b\u578b\uff0c<\/span><\/span>Python \u901a\u8fc7\u662f\u5426\u6709\u5c0f\u6570\u70b9\u6765\u5206\u8fa8 int \u548c float\u3002<\/span><\/p>\n

>>> var1 = 314   # \u6574\u578b\n>>> var2 = 3.14  # \u6d6e\u70b9\u578b\n\u6ce8\u610f\uff1a\u5728Python 3 \u91cc\uff0c\u53ea\u6709\u4e00\u79cd\u6574\u6570\u7c7b\u578b int\uff0c\u8868\u793a\u4e3a\u957f\u6574\u578b\uff0c\u6ca1\u6709 python2 \u4e2d\u7684 Long\u3002\n \ns = 0.2243535\ntype(s)<\/pre>\n
\u5f97\u5230\u7ed3\u679c\uff1a<\/span><\/p>\n
<class 'float'><\/pre>\n
\u8fd9\u8bf4\u660es\u7684\u6570\u636e\u7c7b\u578b\u662ffloat(\u6d6e\u70b9\u6570)\u3002<\/span><\/p>\n
\u4e0b\u9762\u6765\u770bfloat()\u51fd\u6570\uff0cfloat(x)\u5c06x\u8f6c\u6362\u4e3a\u6d6e\u70b9\u6570\uff0cx\u53ef\u4ee5\u662f\u6574\u6570\u6216\u5b57\u7b26\u4e32\u3002<\/span><\/p>\n
# x\u4e3a\u6574\u6570\n>>> float(8)\n8.0\n# x\u4e3a\u5b57\u7b26\u4e32\n>>> float('8')\n8.0<\/pre>\n
\u62d3\u5c55\uff1a\u6570\u503c\u8fd0\u7b97\u4e2d\uff0c\u5e38\u89c1\u7684\u64cd\u4f5c\u7b26\u6709<\/span> +\u3001 -\u3001 \u3001 \/\u3001 \/\/\u3001 %\u3001 *\uff0c\u7b49\u7b49\u3002<\/span><\/p>\n
>>> 5 + 4        # \u52a0\u6cd5\n9\n>>> 4.3 - 2     # \u51cf\u6cd5\n2.3\n>>> 3 * 7       # \u4e58\u6cd5\n21\n>>> 11 ** 2     # \u4e58\u65b9\n121\n>>> 11 % 2      # \u53d6\u4f59 \n1<\/pre>\n

<\/span><\/p>\n
\u4ee5\u4e0a\u5c31\u662f\u6211\u4eec\u5728python\u4e2d\u5206\u8fa8\u6574\u6570\u548c\u5c0f\u6570\u533a\u522b\u7684\u65b9\u6cd5\u4e86\uff0c\u5bf9\u5e94\u7684int\u548cfloat\u60f3\u5fc5\u5c0f\u4f19\u4f34\u4eec\u5df2\u7ecf\u80fd\u5f88\u597d\u7684\u8fd0\u7528\u3002\u4e00\u4e9b\u5e38\u89c1\u7684\u64cd\u4f5c\u7b26\u6211\u4eec\u4e5f\u53ef\u4ee5\u4e86\u89e3\u4e00\u4e0b\uff0c\u65b9\u4fbf\u540e\u9762\u7684\u5b66\u4e60\u3002<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"
\u60f3\u8981\u8868\u8fbe\u6570\u503c\u7684\u65f6\u5019\u80fd\u591f\u66f4\u7cbe\u786e\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u5c0f\u6570\u70b9\u6765\u5b9e\u73b0\u3002\u5728\u6211\u4eec\u751f\u6d3b\u6d88\u8d39\u7684\u65f6\u5019\uff0c\u6709\u7684\u8d26\u5355\u4e0a\u4f1a\u663e\u793a\u5230\u5c0f\u6570\u70b9\u540e\u4e24\u4f4d\u3002 […]<\/p>\n","protected":false},"author":1,"featured_media":172690,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[182397],"tags":[],"class_list":["post-172689","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-python"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/172689","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/comments?post=172689"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/172689\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media\/172690"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=172689"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=172689"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=172689"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}