{"id":15002,"date":"2024-09-18T12:37:34","date_gmt":"2024-09-18T04:37:34","guid":{"rendered":"https:\/\/fgchen.com\/wpedu\/?p=15002"},"modified":"2026-03-30T14:29:44","modified_gmt":"2026-03-30T06:29:44","slug":"15002","status":"publish","type":"post","link":"https:\/\/fgchen.com\/wpedu\/2024\/09\/15002\/","title":{"rendered":""},"content":{"rendered":"<h2>\u63d0\u5347\u4f60\u7684\ud835\udc0f\ud835\udc32\ud835\udc2d\ud835\udc21\ud835\udc28\ud835\udc27\u7a0b\u5f0f\u9700\u8981\u7684\u65b9\u6cd5\uff1a<\/h2>\n<h3>\ud835\udc12\ud835\udc2d\ud835\udc2b\ud835\udc22\ud835\udc27\ud835\udc20 \u65b9\u6cd5<\/h3>\n<ul>\n<li><code>str.upper()<\/code>: \u5c07\u6240\u6709\u5b57\u5143\u8f49\u63db\u70ba\u5927\u5beb\u3002<\/li>\n<li><code>str.lower()<\/code>: \u5c07\u6240\u6709\u5b57\u5143\u8f49\u63db\u70ba\u5c0f\u5beb\u3002<\/li>\n<li><code>str.strip()<\/code>: \u53bb\u9664\u5b57\u4e32\u524d\u5f8c\u7684\u7a7a\u767d\u3002<\/li>\n<li><code>str.rstrip()<\/code>: 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