{"id":310,"date":"2020-03-23T02:34:10","date_gmt":"2020-03-22T18:34:10","guid":{"rendered":"https:\/\/jingran.vip\/?p=310"},"modified":"2020-06-22T04:56:16","modified_gmt":"2020-06-21T20:56:16","slug":"%e5%bc%80%e8%af%be%e5%90%a7-python%e5%ad%a6%e4%b9%a0%e7%ac%94%e8%ae%b0%ef%bc%88%e4%ba%94%ef%bc%89","status":"publish","type":"post","link":"https:\/\/jingran.vip\/index.php\/2020\/03\/23\/%e5%bc%80%e8%af%be%e5%90%a7-python%e5%ad%a6%e4%b9%a0%e7%ac%94%e8%ae%b0%ef%bc%88%e4%ba%94%ef%bc%89\/","title":{"rendered":"\u5f00\u8bfe\u5427-Python\u5b66\u4e60\u7b14\u8bb0\uff08\u4e94\uff09"},"content":{"rendered":"\n<p class=\"has-huge-font-size\"><strong>\u7b2c\u4e8c\u7ae0 \u7b2c2\u8282 \u53d8\u5f62\u91d1\u521a\u6218\u961f<\/strong><\/p>\n\n\n\n<p class=\"has-large-font-size\"> <strong>\u7b2c4\u8bfe\u77e5\u8bc6\u603b\u7ed3<\/strong> <\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/xiaoke-asset-prod.kaikeba.com\/smallcourse\/014acb30-556b-47e7-a503-9ddd1e096524\/enter\/enter_412.png\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u8ba1\u7b97\u673a\u67093\u79cd\u65b9\u5f0f\u5229\u7528\u6570\u636e <\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/xiaoke-asset-prod.kaikeba.com\/smallcourse\/014acb30-556b-47e7-a503-9ddd1e096524\/enter\/enter_501.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u6211\u4eec\u524d\u9762\u5b66\u4e60\u7684\u5185\u5bb9\u90fd\u662f\u8ba1\u7b97\u673a\u5728\u5229\u7528\u6570\u636e\u505a\u4e00\u4e9b\u903b\u8f91\u5904\u7406\uff0c\u60f3\u5fc5\u5927\u5bb6\u4e5f\u5bf9\u6570\u636e\u4e0e\u8ba1\u7b97\u673a\u5173\u7cfb\u6709\u4e86\u66f4\u6df1\u523b\u7684\u4f53\u4f1a\u3002 <\/p>\n\n\n\n<figure class=\"wp-block-video\"><video controls src=\"https:\/\/jingran.vip\/0:\/%E8%AF%BE%E7%A8%8B%E8%B5%84%E6%96%99\/%E5%BC%80%E8%AF%BE%E5%90%A7Python%E7%BC%96%E7%A8%8B%E8%AF%BE\/%E7%AC%AC%E4%BA%8C%E7%AB%A0\/%E7%AC%AC2%E8%8A%82\/%E7%AC%AC%E4%BA%8C%E7%AB%A0%20%E7%AC%AC2%E8%8A%82%20%E5%8F%98%E5%BD%A2%E9%87%91%E5%88%9A%E6%88%98%E9%98%9F.mp4\"><\/video><\/figure>\n\n\n\n<p>\u8fd9\u4e00\u8bfe\uff0c \u6211\u4eec\u5c31\u4f1a\u63a5\u89e6\u4e24\u79cd\u65b0\u7684\u6570\u636e\u7c7b\u578b\u2014\u2014\u5217\u8868\u548c\u5b57\u5178\uff0c \u4f60\u4f1a\u53d1\u73b0\uff0c\u5b83\u4fe9\u6bd4\u6211\u4eec\u5b66\u8fc7\u7684\u201c\u5b57\u7b26\u4e32\u3001\u6574\u6570\u3001\u6d6e\u70b9\u6570\u201d \u66f4\u52a0\u5389\u5bb3\uff0c \u80f8\u6000\u66f4\u5bbd\u5e7f\u3002 <\/p>\n\n\n\n<figure class=\"wp-block-video\"><video controls src=\"https:\/\/jingran.vip\/0:\/%E8%AF%BE%E7%A8%8B%E8%B5%84%E6%96%99\/%E5%BC%80%E8%AF%BE%E5%90%A7Python%E7%BC%96%E7%A8%8B%E8%AF%BE\/%E7%AC%AC%E4%BA%8C%E7%AB%A0\/%E7%AC%AC2%E8%8A%82\/%E5%8F%98%E5%BD%A2%E9%87%91%E5%88%9A%E6%88%98%E9%98%9F%E8%AF%BE%E7%A8%8B%E5%A4%A7%E7%BA%B2%E8%AE%B2%E8%A7%A3.mp4\"><\/video><\/figure>\n\n\n\n<p class=\"has-large-font-size\"><strong>\u5217\u8868 <\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>transformers1 = '\u731b\u5927\u5e05' \ntransformers2 = '\u94c1\u7532\u9f99'\ntransformers3 = '\u516d\u9762\u517d'\ntransformers4 = '\u5927\u529b\u91d1\u521a'\ntransformers5 = '\u6551\u62a4\u8f66'\ntransformers6 = '\u7ea2\u8272\u8b66\u6212'\ntransformers7 = '\u5927\u65e0\u754f'\ntransformers8 = '\u98de\u5929\u864e'\ntransformers9 = '\u95ea\u7535'\ntransformers10 = '\u51b2\u4e91\u9704'\ntransformers11 = '\u8ba1\u7b97\u738b'\ntransformers12 = '\u6c42\u96e8\u9b3c'\ntransformers13 = '\u5b88\u62a4\u795e'\ntransformers14 = '\u6df7\u5929\u8c79'\ntransformers15 = '\u64ce\u5929\u67f1'\ntransformers16 = '\u5a01\u9707\u5929'\ntransformers17 = '\u60ca\u7834\u5929'\ntransformers18 = '\u7ea2\u8718\u86db'\ntransformers19 = '\u5de8\u65e0\u9738\u798f\u7279'\ntransformers20 = '\u96f7\u9706\u89e3\u6551\u961f'\n\nprint(transformers1+'\u7761\u4e86\u6ca1\uff1f')\nprint(transformers2+'\u7761\u4e86\u6ca1\uff1f')\nprint(transformers3+'\u7761\u4e86\u6ca1\uff1f')\nprint(transformers4+'\u7761\u4e86\u6ca1\uff1f')\nprint(transformers5+'\u7761\u4e86\u6ca1\uff1f')\nprint(transformers6+'\u7761\u4e86\u6ca1\uff1f')\nprint(transformers7+'\u7761\u4e86\u6ca1\uff1f')\nprint(transformers8+'\u7761\u4e86\u6ca1\uff1f')\nprint(transformers9+'\u7761\u4e86\u6ca1\uff1f')\nprint(transformers10+'\u7761\u4e86\u6ca1\uff1f')\nprint(transformers11+'\u7761\u4e86\u6ca1\uff1f')\nprint(transformers12+'\u7761\u4e86\u6ca1\uff1f')\nprint(transformers13+'\u7761\u4e86\u6ca1\uff1f')\nprint(transformers14+'\u7761\u4e86\u6ca1\uff1f')\nprint(transformers15+'\u7761\u4e86\u6ca1\uff1f')\nprint(transformers16+'\u7761\u4e86\u6ca1\uff1f')\nprint(transformers17+'\u7761\u4e86\u6ca1\uff1f')\nprint(transformers18+'\u7761\u4e86\u6ca1\uff1f')\nprint(transformers19+'\u7761\u4e86\u6ca1\uff1f')\nprint(transformers20+'\u7761\u4e86\u6ca1\uff1f')<\/code><\/pre>\n\n\n\n<p>\u53d1\u73b0\u95ee\u9898\u4e86\u5417\uff1f\u6211\u4eec\u70b9\u4e8620\u6b21\u53d8\u5f62\u91d1\u521a\u7684\u540d\uff0c\u540c\u65f6\u4e5f\u521b\u5efa\u4e8620\u4e2a\u53d8\u91cf\uff0c\u6bcf\u4e2a\u53d8\u91cf\u4e2d\u653e\u4e00\u4e2a\u53d8\u5f62\u91d1\u521a\u7684\u540d\u5b57\uff0c\u592a\u7d2f\u4e86\u3002 <\/p>\n\n\n\n<p>\u5982\u679c\u6709\u4e00\u4e2a\u53d8\u91cf\uff0c\u80fd\u653e20\u4e2a\u53d8\u5f62\u91d1\u521a\u7684\u540d\u5c31\u6700\u597d\u4e86\u3002 <\/p>\n\n\n\n<p class=\"has-medium-font-size\"><strong>1.1\u4ec0\u4e48\u662f\u5217\u8868 <\/strong><\/p>\n\n\n\n<figure class=\"wp-block-video\"><video controls src=\"https:\/\/jingran.vip\/0:\/%E8%AF%BE%E7%A8%8B%E8%B5%84%E6%96%99\/%E5%BC%80%E8%AF%BE%E5%90%A7Python%E7%BC%96%E7%A8%8B%E8%AF%BE\/%E7%AC%AC%E4%BA%8C%E7%AB%A0\/%E7%AC%AC2%E8%8A%82\/%E5%88%97%E8%A1%A8%E4%BB%8B%E7%BB%8D.mp4\"><\/video><\/figure>\n\n\n\n<figure class=\"wp-block-video\"><video controls src=\"https:\/\/jingran.vip\/0:\/%E8%AF%BE%E7%A8%8B%E8%B5%84%E6%96%99\/%E5%BC%80%E8%AF%BE%E5%90%A7Python%E7%BC%96%E7%A8%8B%E8%AF%BE\/%E7%AC%AC%E4%BA%8C%E7%AB%A0\/%E7%AC%AC2%E8%8A%82\/%E4%B8%8B%E6%A0%87.mp4\"><\/video><\/figure>\n\n\n\n<figure class=\"wp-block-video\"><video controls src=\"https:\/\/jingran.vip\/0:\/%E8%AF%BE%E7%A8%8B%E8%B5%84%E6%96%99\/%E5%BC%80%E8%AF%BE%E5%90%A7Python%E7%BC%96%E7%A8%8B%E8%AF%BE\/%E7%AC%AC%E4%BA%8C%E7%AB%A0\/%E7%AC%AC2%E8%8A%82\/%E5%88%87%E7%89%87%E8%AF%AD%E6%B3%95.mp4\"><\/video><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/xiaoke-asset-prod.kaikeba.com\/smallcourse\/014acb30-556b-47e7-a503-9ddd1e096524\/enter\/enter_503.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u56fe\u4e2d\u7684[&#8216;\u64ce\u5929\u67f1&#8217;\uff0c&#8217;\u5927\u9ec4\u8702&#8217;\uff0c&#8217;\u6551\u62a4\u8f66&#8217;]\u5c31\u662f\u4e00\u4e2a\u5217\u8868\u3002 <\/p>\n\n\n\n<p>\u4e00\u4e2a\u5217\u8868\u9700\u8981\u4f7f\u7528\u4e2d\u62ec\u53f7[]\u5c06\u6240\u6709\u6570\u636e\u6846\u8d77\u6765\uff0c\u91cc\u9762\u4e2d\u7684\u6bcf\u4e00\u4e2a\u6570\u636e\u53eb\u505a\u201c\u5143\u7d20\u201d\uff0c \u5143\u7d20\u4e0e\u5143\u7d20\u4e4b\u95f4\u4f7f\u7528\u9017\u53f7\u9694\u5f00\u3002\u3010\u6c5f\u6e56\u79d8\u7c4d\uff0c\u82f1\u6587\u9017\u53f7\u3011 <\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>list=['\u674e\u96f7','\u97e9\u6885\u6885',180,3.5]\nprint(list)<\/code><\/pre>\n\n\n\n<p class=\"has-medium-font-size\"><strong>1.2\u4ece\u5217\u8868\u4e2d\u63d0\u53d6\u5355\u4e2a\u5143\u7d20 <\/strong><\/p>\n\n\n\n<figure class=\"wp-block-video\"><video controls src=\"https:\/\/jingran.vip\/0:\/%E8%AF%BE%E7%A8%8B%E8%B5%84%E6%96%99\/%E5%BC%80%E8%AF%BE%E5%90%A7Python%E7%BC%96%E7%A8%8B%E8%AF%BE\/%E7%AC%AC%E4%BA%8C%E7%AB%A0\/%E7%AC%AC2%E8%8A%82\/%E6%8F%90%E5%8F%96%E5%88%97%E8%A1%A8%E7%9A%84%E5%8D%95%E4%B8%AA%E5%85%83%E7%B4%A0.mp4\"><\/video><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/xiaoke-asset-prod.kaikeba.com\/smallcourse\/014acb30-556b-47e7-a503-9ddd1e096524\/enter\/enter_505.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u4ece\u4e0a\u56fe\u4e2d\u770b\u51fa\uff0c\u5217\u8868\u4e2d\u7684\u5143\u7d20\u4ece\u5de6\u5f80\u53f3\u8fdb\u884c\u6392\u5217\uff0c \u5b83\u4eec\u5bf9\u5e94\u7684\u4e0b\u6807\u4ece0\uff0c1\uff0c2\u5f00\u59cb\u9010\u6e10\u9012\u589e\u3002 <\/p>\n\n\n\n<p>\u4f60\u60f3\u8981\u63d0\u53d6\u5143\u7d20\uff0c\u4f60\u9664\u4e86\u544a\u8bc9\u8ba1\u7b97\u673a\u5143\u7d20\u7684\u4e0b\u6807\uff0c\u4f60\u8fd8\u8981\u544a\u8bc9\u8ba1\u7b97\u673a\u662f\u54ea\u4e2a\u5217\u8868\u4e2d\u7684\u4e0b\u6807\u3002 <\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>transformers = ['\u64ce\u5929\u67f1','\u5927\u9ec4\u8702','\u6551\u62a4\u8f66']\nprint(transformers[1])<\/code><\/pre>\n\n\n\n<p class=\"has-medium-font-size\"><strong>1.3\u4ece\u5217\u8868\u4e2d\u63d0\u53d6\u591a\u4e2a\u5143\u7d20<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-video\"><video controls src=\"https:\/\/jingran.vip\/0:\/%E8%AF%BE%E7%A8%8B%E8%B5%84%E6%96%99\/%E5%BC%80%E8%AF%BE%E5%90%A7Python%E7%BC%96%E7%A8%8B%E8%AF%BE\/%E7%AC%AC%E4%BA%8C%E7%AB%A0\/%E7%AC%AC2%E8%8A%82\/%E6%8F%90%E5%8F%96%E5%88%97%E8%A1%A8%E7%9A%84%E5%A4%9A%E4%B8%AA%E5%85%83%E7%B4%A0.mp4\"><\/video><\/figure>\n\n\n\n<pre class=\"wp-block-code\"><code>transformers = ['\u64ce\u5929\u67f1','\u5927\u9ec4\u8702','\u6551\u62a4\u8f66','\u5de8\u65e0\u9738\u798f\u7279','\u7ea2\u8718\u86db']\n\nprint(transformers[:])\n\nprint(transformers[2:])\n\nprint(transformers[:2])\n\nprint(transformers[1:3])\n\nprint(transformers[2:4])<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/xiaoke-asset-prod.kaikeba.com\/smallcourse\/014acb30-556b-47e7-a503-9ddd1e096524\/enter\/enter_507.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p>\u3010\u6c5f\u6e56\u79d8\u7c4d\uff1a\u5192\u53f7\u5de6\u8fb9\u7a7a\uff0c\u5c31\u8981\u4ece\u4e0b\u6807\u4e3a0\u7684\u5143\u7d20\u5f00\u59cb\u53d6\u3002\u53f3\u8fb9\u7a7a\uff0c\u5c31\u8981\u53d6\u5230\u5217\u8868\u7684\u6700\u540e\u4e00\u4e2a\u5143\u7d20\u3002\u540e\u534a\u53e5\uff1a\u5192\u53f7\u5de6\u8fb9\u6570\u5b57\u5bf9\u5e94\u7684\u5143\u7d20\u8981\u62ff\uff0c\u53f3\u8fb9\u7684\u4e0d\u52a8\u3002\u3011 <\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>names = ['\u674e\u96f7','lily','lucy','\u97e9\u6885\u6885']\nprint(names[1:3])<\/code><\/pre>\n\n\n\n<p class=\"has-medium-font-size\"><strong>1.4\u7ed9\u5217\u8868\u6dfb\u52a0\/\u5220\u9664\u5143\u7d20 <\/strong><\/p>\n\n\n\n<figure class=\"wp-block-video\"><video controls src=\"https:\/\/jingran.vip\/0:\/%E8%AF%BE%E7%A8%8B%E8%B5%84%E6%96%99\/%E5%BC%80%E8%AF%BE%E5%90%A7Python%E7%BC%96%E7%A8%8B%E8%AF%BE\/%E7%AC%AC%E4%BA%8C%E7%AB%A0\/%E7%AC%AC2%E8%8A%82\/%E5%88%97%E8%A1%A8%E5%A2%9E%E5%8A%A0%E5%85%83%E7%B4%A0.mp4\"><\/video><\/figure>\n\n\n\n<figure class=\"wp-block-video\"><video controls src=\"https:\/\/jingran.vip\/0:\/%E8%AF%BE%E7%A8%8B%E8%B5%84%E6%96%99\/%E5%BC%80%E8%AF%BE%E5%90%A7Python%E7%BC%96%E7%A8%8B%E8%AF%BE\/%E7%AC%AC%E4%BA%8C%E7%AB%A0\/%E7%AC%AC2%E8%8A%82\/%E5%88%97%E8%A1%A8%E5%88%A0%E9%99%A4%E5%85%83%E7%B4%A0.mp4\"><\/video><\/figure>\n\n\n\n<pre class=\"wp-block-code\"><code>transformers = ['\u64ce\u5929\u67f1','\u5927\u9ec4\u8702','\u6551\u62a4\u8f66','\u5de8\u65e0\u9738\u798f\u7279','\u7ea2\u8718\u86db']\n\ntransformers.append('\u8428\u514b\u5de8\u4eba')\n\nprint(transformers)<\/code><\/pre>\n\n\n\n<p>Python\u4e2d\u7684del\u51fd\u6570\u3002del\u51fd\u6570\u7684\u8bed\u6cd5\u662fdel \u5217\u8868\u540d[\u5143\u7d20\u7684\u4e0b\u6807]\u3002 <\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>transformers = ['\u64ce\u5929\u67f1','\u5927\u9ec4\u8702','\u6551\u62a4\u8f66','\u5de8\u65e0\u9738\u798f\u7279','\u7ea2\u8718\u86db']\n\ndel transformers[2]\n\nprint(transformers)<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/xiaoke-asset-prod.kaikeba.com\/smallcourse\/014acb30-556b-47e7-a503-9ddd1e096524\/enter\/enter_509.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p class=\"has-large-font-size\"><strong>\u6570\u636e\u7c7b\u578b\uff1a\u5b57\u5178 <\/strong><\/p>\n\n\n\n<p class=\"has-medium-font-size\"><strong>2.1\u4ec0\u4e48\u662f\u5b57\u5178 <\/strong><\/p>\n\n\n\n<figure class=\"wp-block-video\"><video controls src=\"https:\/\/jingran.vip\/0:\/%E8%AF%BE%E7%A8%8B%E8%B5%84%E6%96%99\/%E5%BC%80%E8%AF%BE%E5%90%A7Python%E7%BC%96%E7%A8%8B%E8%AF%BE\/%E7%AC%AC%E4%BA%8C%E7%AB%A0\/%E7%AC%AC2%E8%8A%82\/%E5%AD%97%E5%85%B8%E7%9A%84%E6%A6%82%E5%BF%B5%EF%BC%88%E5%AD%97%E5%85%B8%E4%B8%8E%E5%88%97%E8%A1%A8%E7%9A%84%E4%B8%8D%E5%90%8C%EF%BC%89.mp4\"><\/video><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/xiaoke-asset-prod.kaikeba.com\/smallcourse\/014acb30-556b-47e7-a503-9ddd1e096524\/enter\/enter_511.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<pre class=\"wp-block-code\"><code>transformers = ['\u64ce\u5929\u67f1','\u5927\u9ec4\u8702','\u6551\u62a4\u8f66','\u5de8\u65e0\u9738\u798f\u7279','\u7ea2\u8718\u86db']\n\nfc = { '\u64ce\u5929\u67f1': 95 ,'\u5927\u9ec4\u8702':90 ,'\u6551\u62a4\u8f66':86, '\u5de8\u65e0\u9738\u798f\u7279':80,'\u7ea2\u8718\u86db':80  }<\/code><\/pre>\n\n\n\n<p>\u5b57\u5178\u7684\u5143\u7d20\u7531\u952e\u4e0e\u503c\u7ec4\u6210\uff0c\u7ec4\u6210\u5f62\u5f0f \u952e:\u503c\uff0c\u5192\u53f7\u8fd8\u662f\u82f1\u6587\u7684\u5192\u53f7\u3002&#8217;\u64ce\u5929\u67f1&#8217;: 95\uff0c \u6211\u4eec\u628a&#8217;\u64ce\u5929\u67f1&#8217;\u79f0\u4e3a\u952e\uff0c\u628a95\u79f0\u4e3a\u503c\u3002 <\/p>\n\n\n\n<p>\u8fd9\u6837\u952e:\u503c\u7684\u5f62\u5f0f\uff0c\u6211\u4eec\u7edf\u79f0\u4e3a\u952e\u503c\u5bf9\u3002\u90a3\u4e48\uff0cfc\u8fd9\u4e2a\u5b57\u5178\u91cc\u67095\u4e2a\u952e\u503c\u5bf9 \uff1a &#8216;\u64ce\u5929\u67f1&#8217;: 95\u3001&#8217;\u5927\u9ec4\u8702&#8217;:90\u3001&#8217;\u6551\u62a4\u8f66&#8217;:86\u3001 &#8216;\u5de8\u65e0\u9738\u798f\u7279&#8217;:80\u3001&#8217;\u7ea2\u8718\u86db&#8217;:80\u3002 <\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>transformers = ['\u64ce\u5929\u67f1','\u5927\u9ec4\u8702','\u6551\u62a4\u8f66','\u5de8\u65e0\u9738\u798f\u7279','\u7ea2\u8718\u86db']\n\nfc = { '\u64ce\u5929\u67f1': 95 ,'\u5927\u9ec4\u8702':90 ,'\u6551\u62a4\u8f66':86, '\u5de8\u65e0\u9738\u798f\u7279':80,'\u7ea2\u8718\u86db':80  }\n\nprint(len(transformers))\n\nprint(len(fc))<\/code><\/pre>\n\n\n\n<p class=\"has-medium-font-size\"><strong>2.2 \u4ece\u5b57\u5178\u4e2d\u63d0\u53d6\u5143\u7d20 <\/strong><\/p>\n\n\n\n<figure class=\"wp-block-video\"><video controls src=\"https:\/\/jingran.vip\/0:\/%E8%AF%BE%E7%A8%8B%E8%B5%84%E6%96%99\/%E5%BC%80%E8%AF%BE%E5%90%A7Python%E7%BC%96%E7%A8%8B%E8%AF%BE\/%E7%AC%AC%E4%BA%8C%E7%AB%A0\/%E7%AC%AC2%E8%8A%82\/%E5%AD%97%E5%85%B8%E7%9A%84%E6%93%8D%E4%BD%9C%E6%96%B9%E6%B3%95(%E6%8F%90%E5%8F%96%E5%85%83%E7%B4%A0).mp4\"><\/video><\/figure>\n\n\n\n<pre class=\"wp-block-code\"><code>fc = { '\u64ce\u5929\u67f1': 95 ,'\u5927\u9ec4\u8702':90 ,'\u6551\u62a4\u8f66':86, '\u5de8\u65e0\u9738\u798f\u7279':80,'\u7ea2\u8718\u86db':80  }\n\nprint(fc['\u64ce\u5929\u67f1'])<\/code><\/pre>\n\n\n\n<p class=\"has-medium-font-size\"><strong>2.3 \u7ed9\u5b57\u5178\u589e\u52a0\/\u5220\u9664\u5143\u7d20 <\/strong><\/p>\n\n\n\n<figure class=\"wp-block-video\"><video controls src=\"https:\/\/jingran.vip\/0:\/%E8%AF%BE%E7%A8%8B%E8%B5%84%E6%96%99\/%E5%BC%80%E8%AF%BE%E5%90%A7Python%E7%BC%96%E7%A8%8B%E8%AF%BE\/%E7%AC%AC%E4%BA%8C%E7%AB%A0\/%E7%AC%AC2%E8%8A%82\/%E5%AD%97%E5%85%B8%E7%9A%84%E6%93%8D%E4%BD%9C%E6%96%B9%E6%B3%95(%E5%A2%9E%E5%8A%A0%E5%85%83%E7%B4%A0).mp4\"><\/video><\/figure>\n\n\n\n<figure class=\"wp-block-video\"><video controls src=\"https:\/\/jingran.vip\/0:\/%E8%AF%BE%E7%A8%8B%E8%B5%84%E6%96%99\/%E5%BC%80%E8%AF%BE%E5%90%A7Python%E7%BC%96%E7%A8%8B%E8%AF%BE\/%E7%AC%AC%E4%BA%8C%E7%AB%A0\/%E7%AC%AC2%E8%8A%82\/%E5%AD%97%E5%85%B8%E7%9A%84%E6%93%8D%E4%BD%9C%E6%96%B9%E6%B3%95(%E5%88%A0%E9%99%A4%E5%85%83%E7%B4%A0).mp4\"><\/video><\/figure>\n\n\n\n<figure class=\"wp-block-video\"><video controls src=\"https:\/\/jingran.vip\/0:\/%E8%AF%BE%E7%A8%8B%E8%B5%84%E6%96%99\/%E5%BC%80%E8%AF%BE%E5%90%A7Python%E7%BC%96%E7%A8%8B%E8%AF%BE\/%E7%AC%AC%E4%BA%8C%E7%AB%A0\/%E7%AC%AC2%E8%8A%82\/%E5%AD%97%E5%85%B8%E7%9A%84%E6%93%8D%E4%BD%9C%E6%96%B9%E6%B3%95(%E4%BF%AE%E6%94%B9%E5%85%83%E7%B4%A0).mp4\"><\/video><\/figure>\n\n\n\n<pre class=\"wp-block-code\"><code>fc = { '\u64ce\u5929\u67f1': 95 ,'\u5927\u9ec4\u8702':90 ,'\u6551\u62a4\u8f66':86, '\u5de8\u65e0\u9738\u798f\u7279':80,'\u7ea2\u8718\u86db':80  }\n\ndel fc['\u5de8\u65e0\u9738\u798f\u7279']\n\nprint(fc)\n\nfc['\u5de8\u65e0\u9738\u798f\u7279'] = 50\n\nprint(fc)<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>fc = { '\u64ce\u5929\u67f1': 95 ,'\u5927\u9ec4\u8702':90 ,'\u6551\u62a4\u8f66':86, '\u5de8\u65e0\u9738\u798f\u7279':80,'\u7ea2\u8718\u86db':80  }\n\nfc['\u94c1\u76ae'] = 90\n\nprint(fc)<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/xiaoke-asset-prod.kaikeba.com\/smallcourse\/014acb30-556b-47e7-a503-9ddd1e096524\/enter\/enter_514.jpg\" alt=\"\"\/><\/figure>\n\n\n\n<p><strong>Tip: \u683c\u5f0f\u5316\u8f93\u51fa<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-video\"><video controls src=\"https:\/\/jingran.vip\/0:\/%E8%AF%BE%E7%A8%8B%E8%B5%84%E6%96%99\/%E5%BC%80%E8%AF%BE%E5%90%A7Python%E7%BC%96%E7%A8%8B%E8%AF%BE\/%E7%AC%AC%E4%BA%8C%E7%AB%A0\/%E7%AC%AC2%E8%8A%82\/Tip%EF%BC%9A%E6%A0%BC%E5%BC%8F%E5%8C%96%E8%BE%93%E5%87%BA.mp4\"><\/video><\/figure>\n\n\n\n<p class=\"has-large-font-size\"><strong>\u5217\u8868\u4e0e\u5b57\u5178\u7684\u5f02\u540c<\/strong> <\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>transformers = ['\u64ce\u5929\u67f1','\u5927\u9ec4\u8702','\u6551\u62a4\u8f66','\u5de8\u65e0\u9738\u798f\u7279','\u7ea2\u8718\u86db']\n\nfc = { '\u64ce\u5929\u67f1': 95 ,'\u5927\u9ec4\u8702':90 ,'\u6551\u62a4\u8f66':86, '\u5de8\u65e0\u9738\u798f\u7279':80,'\u7ea2\u8718\u86db':80  }<\/code><\/pre>\n\n\n\n<p><strong>\u4e0d\u540c\u70b9\uff1a <\/strong><\/p>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<p>1\u3001\u5217\u8868\u5916\u9762\u662f[ ]\u4e2d\u62ec\u53f7\uff0c\u5b57\u5178\u5916\u9762\u662f{}\u5927\u62ec\u53f7\u3002 <\/p>\n\n\n\n<p>2\u3001\u5217\u8868\u4e2d\u6bcf\u4e2a\u5143\u7d20\u53ea\u6709\u4e00\u90e8\u5206\uff0c\u53ea\u6709\u503c\uff0c\u6bcf\u4e2a\u503c\u6709\u4e00\u4e2a\u5bf9\u5e94\u7684\u5c0f\u6807\u3002<br>\u5b57\u5178\u4e2d\u6bcf\u4e2a\u5143\u7d20\u90fd\u662f\u3010\u952e\uff1a\u503c\u3011\u5b58\u5728\u7684\uff0c \u6bcf\u4e2a\u503c\u90fd\u6709\u4e00\u4e2a\u5bf9\u5e94\u7684\u952e\u3002 <\/p>\n<\/div><\/div>\n\n\n\n<pre class=\"wp-block-code\"><code>transformers = ['\u64ce\u5929\u67f1','\u5927\u9ec4\u8702','\u6551\u62a4\u8f66','\u5de8\u65e0\u9738\u798f\u7279','\u7ea2\u8718\u86db']\ndel transformers[1]\nfc = { '\u64ce\u5929\u67f1': 95 ,'\u5927\u9ec4\u8702':90 ,'\u6551\u62a4\u8f66':86, '\u5de8\u65e0\u9738\u798f\u7279':80,'\u7ea2\u8718\u86db':80  }\ndel fc['\u5927\u9ec4\u8702']<\/code><\/pre>\n\n\n\n<p><strong>\u76f8\u540c\u70b9\uff1a<\/strong><\/p>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<p>1\u3001\u5217\u8868\u4e0e\u5b57\u5178\u4e2d\u7684\u5143\u7d20\u90fd\u662f\u7528\u9017\u53f7\u9694\u5f00\u3002 <\/p>\n\n\n\n<p>2\u3001\u5220\u9664\u7684\u65b9\u6cd5del\u76f8\u540c\u3002 <\/p>\n<\/div><\/div>\n\n\n\n<p class=\"has-large-font-size\"><strong>\u8bfe\u540e\u7ec3\u4e60 <\/strong><\/p>\n\n\n\n<p>1.  \u6709\u4e00\u4e2a\u5217\u8868list = [&#8216;hello&#8217;,&#8217;i&#8217;,&#8217;love&#8217;,&#8217;you&#8217;].\u8bf7\u5c06\u5217\u8868\u4e2d\u7684love\u53d6\u51fa\u6765\u5e76\u6253\u5370\u7ed3\u679c\u3002 <\/p>\n\n\n\n<p>2.  dic = {&#8216;\u5973\u5deb&#8217;:29,&#8217;\u72fc\u4eba&#8217;:30,&#8217;\u5e73\u6c11&#8217;:50,&#8217;\u730e\u4eba&#8217;:40}, \u4f60\u9700\u8981\u627e\u5230\u952e\u4e3a\u2018\u72fc\u4eba\u2018\u7684\u6570\u636e\uff0c\u7136\u540e\u5220\u9664\uff0c\u6253\u5370\u5220\u9664\u540e\u7684\u5b57\u5178\u3002 <\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7b2c\u4e8c\u7ae0 \u7b2c2\u8282 \u53d8\u5f62\u91d1\u521a\u6218\u961f \u7b2c4\u8bfe\u77e5\u8bc6\u603b\u7ed3 \u8ba1\u7b97\u673a\u67093\u79cd\u65b9\u5f0f\u5229\u7528\u6570\u636e \u6211\u4eec\u524d\u9762\u5b66\u4e60\u7684\u5185\u5bb9\u90fd\u662f\u8ba1\u7b97\u673a [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":190,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13,19,10],"tags":[],"_links":{"self":[{"href":"https:\/\/jingran.vip\/index.php\/wp-json\/wp\/v2\/posts\/310"}],"collection":[{"href":"https:\/\/jingran.vip\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jingran.vip\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jingran.vip\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/jingran.vip\/index.php\/wp-json\/wp\/v2\/comments?post=310"}],"version-history":[{"count":2,"href":"https:\/\/jingran.vip\/index.php\/wp-json\/wp\/v2\/posts\/310\/revisions"}],"predecessor-version":[{"id":327,"href":"https:\/\/jingran.vip\/index.php\/wp-json\/wp\/v2\/posts\/310\/revisions\/327"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/jingran.vip\/index.php\/wp-json\/wp\/v2\/media\/190"}],"wp:attachment":[{"href":"https:\/\/jingran.vip\/index.php\/wp-json\/wp\/v2\/media?parent=310"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jingran.vip\/index.php\/wp-json\/wp\/v2\/categories?post=310"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jingran.vip\/index.php\/wp-json\/wp\/v2\/tags?post=310"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}