{"id":107005,"date":"2024-10-13T06:57:10","date_gmt":"2024-10-12T22:57:10","guid":{"rendered":"https:\/\/lrxjmw.cn\/?p=107005"},"modified":"2024-10-13T06:57:10","modified_gmt":"2024-10-12T22:57:10","slug":"python-less","status":"publish","type":"post","link":"https:\/\/lrxjmw.cn\/python-less.html","title":{"rendered":"Python\u57fa\u7840\u5b66\u4e60\u7bc7"},"content":{"rendered":"<table>\n<tbody>\n<tr>\n<td style=\"padding: 5px 12px; width: 25px; font-size: 22px; text-align: center; background: #E8E8E8; line-height: 30px; color: #999;\">\u5bfc\u8bfb<\/td>\n<td style=\"padding: 10px 10px 12px; line-height: 20px;\"><strong>Python\u662f\u4e00\u79cd\u89e3\u91ca\u578b\u3001\u9762\u5411\u5bf9\u8c61\u3001\u52a8\u6001\u6570\u636e\u7c7b\u578b\u7684\u9ad8\u7ea7\u7a0b\u5e8f\u8bbe\u8ba1\u8bed\u8a00\u3002Python\u7531Guido van Rossum\u4e8e1989\u5e74\u5e95\u53d1\u660e\uff0c\u7b2c\u4e00\u4e2a\u516c\u5f00\u53d1\u884c\u7248\u53d1\u884c\u4e8e1991\u5e74\u3002\u50cfPerl\u8bed\u8a00\u4e00\u6837, Python \u6e90\u4ee3\u7801\u540c\u6837\u9075\u5faa GPL(GNU General Public License)\u534f\u8bae\u3002<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div   id="j6sjwn9j3u"    style=\"font-size: 14pt; color: white; background-color: black; border-left: red 10px solid; padding-left: 14px; margin-bottom: 20px; margin-top: 20px;\"><strong>\u4e00. \u5217\u8868<\/strong><\/div>\n<p>1.1 \u5217\u8868\u7684\u4ecb\u7ecd<br \/>\n\u5217\u8868\u662fpython\u7684\u57fa\u7840\u6570\u636e\u7c7b\u578b\u4e4b\u4e00 ,\u5176\u4ed6\u7f16\u7a0b\u8bed\u8a00\u4e5f\u6709\u7c7b\u4f3c\u7684\u6570\u636e\u7c7b\u578b. \u6bd4\u5982JS\u4e2d\u7684\u6570\u7ec4, java\u4e2d\u7684\u6570\u7ec4\u7b49\u7b49. \u5b83\u662f\u4ee5[ ]\u62ec\u8d77<br \/>\n\u6765, \u6bcf\u4e2a\u5143\u7d20\u7528' , '\u9694\u5f00\u800c\u4e14\u53ef\u4ee5\u5b58\u653e\u5404\u79cd\u6570\u636e\u7c7b\u578b:<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-107155 aligncenter\" src=\"https:\/\/lrxjmw.cn\/wp-content\/uploads\/2018\/06\/1-1.png\" alt=\"\" width=\"920\" height=\"44\" srcset=\"https:\/\/lrxjmw.cn\/wp-content\/uploads\/2018\/06\/1-1.png 920w, https:\/\/lrxjmw.cn\/wp-content\/uploads\/2018\/06\/1-1-300x14.png 300w, https:\/\/lrxjmw.cn\/wp-content\/uploads\/2018\/06\/1-1-768x37.png 768w\" sizes=\"auto, (max-width: 920px) 100vw, 920px\" \/><\/p>\n<p>\u5217\u8868\u76f8\u6bd4\u4e8e\u5b57\u7b26\u4e32. \u4e0d\u4ec5\u53ef\u4ee5\u5b58\u653e\u4e0d\u540c\u7684\u6570\u636e\u7c7b\u578b. \u800c\u4e14\u53ef\u4ee5\u5b58\u653e\u5927\u91cf\u7684\u6570\u636e. 32\u4f4dpython\u53ef\u4ee5\u5b58\u653e: 536870912\u4e2a\u5143\u7d20,<br \/>\n64\u4f4d\u53ef\u4ee5\u5b58\u653e: 1152921504606846975\u4e2a\u5143\u7d20.\u800c\u4e14\u5217\u8868\u662f\u6709\u5e8f\u7684(\u6309\u7167\u4f60\u4fdd\u5b58\u7684\u987a\u5e8f),\u6709\u7d22\u5f15, \u53ef\u4ee5\u5207\u7247\u65b9\u4fbf\u53d6\u503c.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-107156 aligncenter\" src=\"https:\/\/lrxjmw.cn\/wp-content\/uploads\/2018\/06\/2-1.png\" alt=\"\" width=\"765\" height=\"329\" srcset=\"https:\/\/lrxjmw.cn\/wp-content\/uploads\/2018\/06\/2-1.png 765w, https:\/\/lrxjmw.cn\/wp-content\/uploads\/2018\/06\/2-1-300x129.png 300w\" sizes=\"auto, (max-width: 765px) 100vw, 765px\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-107157 aligncenter\" src=\"https:\/\/lrxjmw.cn\/wp-content\/uploads\/2018\/06\/3-1.png\" alt=\"\" width=\"532\" height=\"261\" srcset=\"https:\/\/lrxjmw.cn\/wp-content\/uploads\/2018\/06\/3-1.png 532w, https:\/\/lrxjmw.cn\/wp-content\/uploads\/2018\/06\/3-1-300x147.png 300w\" sizes=\"auto, (max-width: 532px) 100vw, 532px\" \/><\/p>\n<div   id="j6sjwn9j3u"    style=\"font-size: 14pt; color: white; background-color: black; border-left: red 10px solid; padding-left: 14px; margin-bottom: 20px; margin-top: 20px;\"><strong>\u4e8c. \u5217\u8868\u7684\u589e\u5220\u6539\u67e5 :<\/strong><\/div>\n<p>1. \u589e, \u6ce8\u610f, list\u548cstr\u662f\u4e0d\u4e00\u6837\u7684. lst\u53ef\u4ee5\u53d1\u751f\u6539\u53d8. \u6240\u4ee5\u76f4\u63a5\u5c31\u5728\u539f\u6765\u7684\u5bf9\u8c61\u4e0a\u8fdb\u884c\u4e86\u64cd\u4f5c<\/p>\n<p>lst = [\"\u9ebb\u82b1\u85e4\", \"\u6797\u4fca\u6770\", \"\u5468\u6da6\u53d1\", \"\u5468\u82b7\u82e5\"]<\/p>\n<p>\u589e\u52a0:<\/p>\n<p>lst.append() \u76f4\u63a5\u5728\u7ed3\u5c3e\u6dfb\u52a0,----&gt;&gt;&gt;\u8ffd\u52a0<\/p>\n<p>lst.insert(\"\u4f4d\u7f6e\",\"\u5185\u5bb9\") \u63d2\u5165 -----&gt;&gt;&gt;\u5728\u67d0\u4f4d\u7f6e\u63d2\u5165\u5185\u5bb9,\u67d0\u4f4d\u7f6e\u7684\u539f\u5185\u5bb9\u5411\u540e\u79fb<\/p>\n<p>lst.extend( \u53ef\u8fed\u4ee3\u7684 ) \u6dfb\u52a0\u5185\u5bb9<\/p>\n<p>\u5220\u9664:<\/p>\n<p>.pop() \u5411\u5916\u5f39\u51fa,\u5f39\u51fa\u6700\u540e\u4e00\u4e2a \u6216\u8005 \u6307\u5b9a\u5f39\u51fa\u5185\u5bb9(\u7d22\u5f15) \u53ef\u62ff\u5230\u5220\u9664\u5185\u5bb9<\/p>\n<p>.remove( \"\u5185\u5bb9\" ) \u6307\u5b9a\u5143\u7d20\u5220\u9664,\u6ca1\u6709\u8fd4\u56de\u503c<\/p>\n<p>.clear() \u6e05\u7a7a\u5217\u8868,\u6ca1\u6709\u8fd4\u56de\u503c<\/p>\n<p>del lst[1:2] \u5220\u9664\u5185\u5bb9<\/p>\n<p>\u4fee\u6539:<\/p>\n<p>\u7528\u5207\u7247\u6216\u6307\u5b9a\u4f4d\u7f6e\u4fee\u6539<\/p>\n<p>\u67e5\u8be2:<\/p>\n<p>\u5217\u8868\u662f\u53ef\u8fed\u4ee3\u7684(\u4e4b\u540e\u4f1a\u8bb2\u8fed\u4ee3,\u4e0d\u8981\u7740\u6025),\u53ef\u4ee5\u8fdb\u884cfor\u5faa\u73af.<\/p>\n<p>\u6240\u4ee5 for i in lst:<\/p>\n<p>print(i)<\/p>\n<p>\u5e38\u89c4\u64cd\u4f5c:<\/p>\n<p>.count() \u8ba1\u6570\u7684<\/p>\n<p>len(lst) \u6c42\u957f\u5ea6<\/p>\n<p>.sort() \u6392\u5e8f----&gt;&gt;&gt;\u9ed8\u8ba4\u662f\u5347\u5e8f(\u4ece\u5c0f\u5230\u5927) .sort(reverse=True) \u964d\u5e8f------&gt;&gt;&gt;\u9ed8\u8ba4reverse=False,\u6240\u4ee5\u4fee\u6539\u540e\u964d\u5e8f<\/p>\n<p>.reverse() \u53cd\u8f6c , \u5012\u8fc7\u6765<\/p>\n<div   id="j6sjwn9j3u"    style=\"font-size: 14pt; color: white; background-color: black; border-left: red 10px solid; padding-left: 14px; margin-bottom: 20px; margin-top: 20px;\"><strong>\u4e09. \u5217\u8868\u7684\u5d4c\u5957:<\/strong><\/div>\n<p>\u91c7\u7528\u964d\u7ef4\u64cd\u4f5c.\u4e00\u5c42\u4e00\u5c42\u7684\u770b\u5c31\u597d.<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-107158 aligncenter\" src=\"https:\/\/lrxjmw.cn\/wp-content\/uploads\/2018\/06\/4.png\" alt=\"\" width=\"519\" height=\"490\" srcset=\"https:\/\/lrxjmw.cn\/wp-content\/uploads\/2018\/06\/4.png 519w, https:\/\/lrxjmw.cn\/wp-content\/uploads\/2018\/06\/4-300x283.png 300w\" sizes=\"auto, (max-width: 519px) 100vw, 519px\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-107159 aligncenter\" src=\"https:\/\/lrxjmw.cn\/wp-content\/uploads\/2018\/06\/5-1.png\" alt=\"\" width=\"369\" height=\"400\" srcset=\"https:\/\/lrxjmw.cn\/wp-content\/uploads\/2018\/06\/5-1.png 369w, https:\/\/lrxjmw.cn\/wp-content\/uploads\/2018\/06\/5-1-277x300.png 277w\" sizes=\"auto, (max-width: 369px) 100vw, 369px\" \/><\/p>\n<div   id="j6sjwn9j3u"    style=\"font-size: 14pt; color: white; background-color: black; border-left: red 10px solid; padding-left: 14px; margin-bottom: 20px; margin-top: 20px;\"><strong>\u56db. \u5143\u7ec4\u548c\u5143\u7ec4\u5d4c\u5957<\/strong><\/div>\n<p>\u5143\u7ec4: \u4fd7\u79f0\u4e0d\u53ef\u53d8\u7684\u5217\u8868.\u53c8\u88ab\u6210\u4e3a\u53ea\u8bfb\u5217\u8868, \u5143\u7ec4\u4e5f\u662fpython\u7684\u57fa\u672c\u6570\u636e\u7c7b\u578b\u4e4b\u4e00, \u7528\u5c0f\u62ec\u53f7\u62ec\u8d77\u6765, \u91cc\u9762\u53ef\u4ee5\u653e\u4efb\u4f55\u6570\u636e\u7c7b\u578b<br \/>\n\u7684\u6570\u636e, \u67e5\u8be2\u53ef\u4ee5. \u5faa\u73af\u4e5f\u53ef\u4ee5. \u5207\u7247\u4e5f\u53ef\u4ee5. \u4f46\u5c31\u662f\u4e0d\u80fd\u6539<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-107160 aligncenter\" src=\"https:\/\/lrxjmw.cn\/wp-content\/uploads\/2018\/06\/6.png\" alt=\"\" width=\"657\" height=\"330\" srcset=\"https:\/\/lrxjmw.cn\/wp-content\/uploads\/2018\/06\/6.png 657w, https:\/\/lrxjmw.cn\/wp-content\/uploads\/2018\/06\/6-300x151.png 300w\" sizes=\"auto, (max-width: 657px) 100vw, 657px\" \/><\/p>\n<p>\u5173\u4e8e\u4e0d\u53ef\u53d8, \u6ce8\u610f: \u8fd9\u91cc\u5143\u7ec4\u7684\u4e0d\u53ef\u53d8\u7684\u610f\u601d\u662f\u5b50\u5143\u7d20\u4e0d\u53ef\u53d8. \u800c\u5b50\u5143\u7d20\u5185\u90e8\u7684\u5b50\u5143\u7d20\u662f\u53ef\u4ee5\u53d8, \u8fd9\u53d6\u51b3\u4e8e\u5b50\u5143\u7d20\u662f\u5426\u662f\u53ef\u53d8\u5bf9<br \/>\n\u8c61. \u6ce8:------&gt;&gt;&gt;\u53ef\u53d8\u7684\u5b50\u5143\u7d20\u4e5f\u4e0d\u80fd\u662f\u5143\u7ec4.<br \/>\n\u5143\u7ec4\u4e2d\u5982\u679c\u53ea\u6709\u4e00\u4e2a\u5143\u7d20. \u4e00\u5b9a\u8981\u6dfb\u52a0\u4e00\u4e2a\u9017\u53f7, \u5426\u5219\u5c31\u4e0d\u662f\u5143\u7ec4 lst=(1,)<\/p>\n<div   id="j6sjwn9j3u"    style=\"font-size: 14pt; color: white; background-color: black; border-left: red 10px solid; padding-left: 14px; margin-bottom: 20px; margin-top: 20px;\"><strong>\u4e94.range<\/strong><\/div>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-107162 aligncenter\" src=\"https:\/\/lrxjmw.cn\/wp-content\/uploads\/2018\/06\/7-1.png\" alt=\"\" width=\"613\" height=\"237\" srcset=\"https:\/\/lrxjmw.cn\/wp-content\/uploads\/2018\/06\/7-1.png 613w, https:\/\/lrxjmw.cn\/wp-content\/uploads\/2018\/06\/7-1-300x116.png 300w\" sizes=\"auto, (max-width: 613px) 100vw, 613px\" \/><\/p>\n<blockquote>\n<p style=\"text-align: left; color: #88a6a4;\">\u539f\u6587\u6765\u81ea\uff1a<a href=\"https:\/\/www.cnblogs.com\/dalaoban\/p\/9135499.html\" target=\"_blank\" rel=\"noopener\">https:\/\/www.cnblogs.com\/dalaoban\/p\/9135499.html<\/a><\/p>\n<p style=\"text-align: left; color: #88a6a4;\">\u672c\u6587\u5730\u5740\uff1a<a href=\"https:\/\/lrxjmw.cn\/python-less.html\" target=\"_blank\" rel=\"noopener\">https:\/\/lrxjmw.cn\/python-less.html<\/a><span style=\"float: right;\">\u7f16\u8f91\uff1a\u51af\u745e\u6d9b\uff0c\u5ba1\u6838\u5458\uff1a\u9004\u589e\u5b9d<\/span><\/p>\n<\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>\u5bfc\u8bfb Python\u662f\u4e00\u79cd\u89e3\u91ca\u578b\u3001\u9762\u5411\u5bf9\u8c61\u3001\u52a8\u6001\u6570\u636e\u7c7b\u578b\u7684\u9ad8\u7ea7\u7a0b\u5e8f\u8bbe\u8ba1\u8bed\u8a00\u3002Python\u7531Guido van R [&hellip;]<\/p>\n","protected":false},"author":1329,"featured_media":107164,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[55],"tags":[],"class_list":["post-107005","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-thread"],"acf":[],"_links":{"self":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts\/107005","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/users\/1329"}],"replies":[{"embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/comments?post=107005"}],"version-history":[{"count":4,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts\/107005\/revisions"}],"predecessor-version":[{"id":293594,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts\/107005\/revisions\/293594"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/media\/107164"}],"wp:attachment":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/media?parent=107005"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/categories?post=107005"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/tags?post=107005"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}