{"id":2920,"date":"2025-05-28T17:10:11","date_gmt":"2025-06-04T09:25:11","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=2920"},"modified":"2025-06-04T17:10:11","modified_gmt":"2025-06-04T09:25:11","slug":"python%e4%b8%ad%e7%9a%84%e5%b7%a6%e7%a7%bb%e9%81%8b%e7%ae%97%e7%ac%a6%ef%bc%9alshift","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/python\/python%e4%b8%ad%e7%9a%84%e5%b7%a6%e7%a7%bb%e9%81%8b%e7%ae%97%e7%ac%a6%ef%bc%9alshift\/","title":{"rendered":"\u6df1\u5165\u4e86\u89e3 Python \u4e2d\u7684\u5de6\u79fb\u904b\u7b97\u7b26 lshift()\uff1a2025 \u6700\u65b0\u6559\u5b78\u8207\u5be6\u4f5c\u7bc4\u4f8b"},"content":{"rendered":"<p><meta name=\"keywords\" content=\"Python, lshift(), \u91cd\u8f09\u985e, \u5de6\u79fb\u904b\u7b97\u7b26, Python \u6559\u5b78, Python \u5be6\u4f5c\u7bc4\u4f8b\"><\/p>\n<h1>Python \u4e2d\u7684 lshift() \u5de6\u79fb\u904b\u7b97\u7b26<\/h1>\n<p>\u5728 Python \u4e2d\uff0clshift() \u5de6\u79fb\u904b\u7b97\u7b26\u662f\u4e00\u500b\u91cd\u8f09\u985e\uff0c\u7528\u65bc\u5c07\u4e00\u500b\u6578\u5b57\u5411\u5de6\u79fb\u52d5\u6307\u5b9a\u7684\u4f4d\u6578\uff0c\u4e26\u5c07\u7a7a\u51fa\u7684\u4f4d\u6578\u586b\u5145\u70ba 0\u3002\u9019\u5728\u6578\u5b57\u8f49\u63db\u70ba\u4e8c\u9032\u5236\u8868\u793a\u6cd5\u6642\u7279\u5225\u6709\u7528\uff0c\u4e26\u4e14\u53ef\u4ee5\u7528\u65bc\u5404\u7a2e\u4f4d\u64cd\u4f5c\u7684\u5be6\u4f5c\u3002<\/p>\n<p><!--more--><\/p>\n<h2>lshift() \u7684\u8a9e\u6cd5<\/h2>\n<p>lshift() \u7684\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre class=\"brush: python\">\nnumber << count\n<\/pre>\n<p>\u5176\u4e2d\uff0c<code>number<\/code> \u662f\u8981\u79fb\u52d5\u7684\u6578\u5b57\uff0c<code>count<\/code> \u662f\u8981\u79fb\u52d5\u7684\u4f4d\u6578\u3002\u9019\u610f\u5473\u8457\u5c07\u6578\u5b57\u7684\u4e8c\u9032\u5236\u8868\u793a\u5411\u5de6\u79fb\u52d5\uff0c\u4e26\u5728\u53f3\u5074\u586b\u5145 0\u3002<\/p>\n<h2>lshift() \u7684\u7bc4\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u7bc4\u4f8b\uff0c\u5c55\u793a\u4e86 lshift() \u7684\u7528\u6cd5\uff1a<\/p>\n<pre class=\"brush: python\">\n# \u5c07 8 \u5411\u5de6\u79fb\u52d5 2 \u4f4d\nx = 8 << 2\n\n# \u8f38\u51fa\u7d50\u679c\nprint(x)\n<\/pre>\n<p>\u57f7\u884c\u4e0a\u9762\u7684\u7a0b\u5f0f\uff0c\u8f38\u51fa\u7d50\u679c\u5982\u4e0b\uff1a<\/p>\n<pre class=\"brush: python\">\n32\n<\/pre>\n<h2>\u9032\u968e\u61c9\u7528\uff1a\u4f7f\u7528 lshift() \u9032\u884c\u4f4d\u904b\u7b97<\/h2>\n<p>lshift() \u4e0d\u50c5\u9650\u65bc\u7c21\u55ae\u7684\u6578\u5b57\u64cd\u4f5c\uff0c\u5b83\u9084\u53ef\u4ee5\u7528\u65bc\u66f4\u8907\u96dc\u7684\u4f4d\u904b\u7b97\u3002\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u5de6\u79fb\u904b\u7b97\u7b26\u4f86\u5feb\u901f\u8a08\u7b97\u4e58\u4ee5 2 \u7684\u51aa\uff1a<\/p>\n<pre class=\"brush: python\">\n# \u5c07 5 \u4e58\u4ee5 2 \u7684 3 \u6b21\u65b9\nresult = 5 << 3  # \u7b49\u540c\u65bc 5 * 8 (2^3)\n\nprint(result)  # \u8f38\u51fa 40\n<\/pre>\n<h2>\u932f\u8aa4\u6392\u9664<\/h2>\n<p>\u5728\u4f7f\u7528 lshift() \u6642\uff0c\u60a8\u53ef\u80fd\u6703\u9047\u5230\u4ee5\u4e0b\u4e00\u4e9b\u5e38\u898b\u932f\u8aa4\uff1a<\/p>\n<p>1. **\u8d85\u51fa\u7bc4\u570d\u7684\u4f4d\u79fb**\uff1a\u5982\u679c\u60a8\u5617\u8a66\u5c07\u4e00\u500b\u6578\u5b57\u5de6\u79fb\u8d85\u904e\u5176\u4f4d\u5143\u6578\uff0c\u5247\u53ef\u80fd\u6703\u5c0e\u81f4\u610f\u5916\u7684\u7d50\u679c\u3002\u78ba\u4fdd\u4f4d\u79fb\u6578\u91cf\u5728\u5408\u7406\u7bc4\u570d\u5167\u3002<\/p>\n<p>2. **\u975e\u6574\u6578\u985e\u578b**\uff1alshift() \u53ea\u9069\u7528\u65bc\u6574\u6578\u985e\u578b\uff0c\u82e5\u7528\u65bc\u6d6e\u9ede\u6578\u6216\u5176\u4ed6\u985e\u578b\u6703\u5f15\u767c TypeError\u3002<\/p>\n<h2>\u5ef6\u4f38\u61c9\u7528<\/h2>\n<p>\u5de6\u79fb\u904b\u7b97\u7b26\u5728\u8a31\u591a\u61c9\u7528\u4e2d\u90fd\u975e\u5e38\u6709\u7528\uff0c\u5c24\u5176\u662f\u5728\u9700\u8981\u9ad8\u6548\u4f4d\u904b\u7b97\u7684\u5834\u5408\uff0c\u4f8b\u5982\uff1a<\/p>\n<p>- \u6578\u64da\u52a0\u5bc6\u548c\u89e3\u5bc6<br \/>\n- \u5716\u50cf\u8655\u7406\u4e2d\u7684\u8272\u5f69\u901a\u9053\u64cd\u4f5c<br \/>\n- \u6578\u64da\u58d3\u7e2e\u7b97\u6cd5<\/p>\n<p>\u5982\u679c\u60a8\u60f3\u6df1\u5165\u4e86\u89e3 Python \u7684\u5176\u4ed6\u4f4d\u904b\u7b97\u7b26\uff0c\u8acb\u53c3\u8003\u9019\u7bc7\u6587\u7ae0\uff1a[Python \u4f4d\u904b\u7b97\u7b26\u8a73\u89e3](https:\/\/vocus.cc\/article\/605b6d8b9e6d6a001c3b5d49)\u3002<\/p>\n<h2>\u7e3d\u7d50<\/h2>\n<p>Python \u4e2d\u7684 lshift() \u5de6\u79fb\u904b\u7b97\u7b26\u53ef\u4ee5\u5c07\u4e00\u500b\u6578\u5b57\u5411\u5de6\u79fb\u52d5\u6307\u5b9a\u7684\u4f4d\u6578\uff0c\u4e26\u5c07\u7a7a\u51fa\u7684\u4f4d\u6578\u586b\u5145\u70ba 0\u3002\u5b83\u53ef\u4ee5\u7528\u65bc\u5c07\u6578\u5b57\u8f49\u63db\u70ba\u4e8c\u9032\u5236\u8868\u793a\u6cd5\uff0c\u4e26\u5c0d\u5176\u9032\u884c\u64cd\u4f5c\u3002\u638c\u63e1\u9019\u500b\u904b\u7b97\u7b26\uff0c\u60a8\u5c07\u80fd\u5920\u5728\u6578\u64da\u8655\u7406\u548c\u4f4d\u64cd\u4f5c\u4e2d\u66f4\u52a0\u5f97\u5fc3\u61c9\u624b\u3002<\/p>\n<h2>Q&A\uff08\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff09<\/h2>\n<p>**Q1: lshift() \u548c\u4e58\u6cd5\u6709\u4ec0\u9ebc\u95dc\u4fc2\uff1f**<br \/>\nA1: \u4f7f\u7528 lshift() \u53ef\u4ee5\u5be6\u73fe\u5feb\u901f\u4e58\u4ee5 2 \u7684\u51aa\uff0c\u4f8b\u5982 x << n \u7b49\u540c\u65bc x * (2^n)\u3002\n\n**Q2: \u5728\u4f7f\u7528 lshift() \u6642\u70ba\u4ec0\u9ebc\u6703\u51fa\u73fe\u932f\u8aa4\uff1f**  \nA2: \u5e38\u898b\u7684\u932f\u8aa4\u5305\u62ec\u8d85\u51fa\u4f4d\u79fb\u7bc4\u570d\u6216\u5c0d\u975e\u6574\u6578\u985e\u578b\u4f7f\u7528 lshift()\uff0c\u78ba\u4fdd\u60a8\u50b3\u905e\u7684\u8b8a\u6578\u985e\u578b\u6b63\u78ba\u3002\n\n**Q3: \u6709\u54ea\u4e9b\u5176\u4ed6\u4f4d\u904b\u7b97\u7b26\u53ef\u4ee5\u8207 lshift() \u4e00\u8d77\u4f7f\u7528\uff1f**  \nA3: Python \u9084\u652f\u6301\u53f3\u79fb\u904b\u7b97\u7b26 (>>)\u3001\u6309\u4f4d\u8207 (&)\u3001\u6309\u4f4d\u6216 (|)\u3001\u6309\u4f4d\u7570\u6216 (^) \u7b49\uff0c\u9019\u4e9b\u904b\u7b97\u7b26\u53ef\u4ee5\u8207 lshift() \u4e00\u8d77\u4f7f\u7528\u4ee5\u5b8c\u6210\u5404\u7a2e\u4f4d\u64cd\u4f5c\u3002<\/p>\n<p>---<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Python\u4e2d\u7684lshift()\u662f\u4e00\u7a2e\u91cd\u8f09\u985e\u7684\u5de6\u79fb\u904b\u7b97\u7b26\uff0c\u53ef\u4ee5\u7528\u65bc\u5c0d\u6578\u64da\u9032\u884c\u4f4d\u79fb\u64cd\u4f5c\uff0c\u4ee5\u63d0\u9ad8\u7a0b\u5e8f\u7684\u6548\u7387\u3002\u672c\u6587\u5c07\u8a73\u7d30\u4ecb\u7d39lshift()\u7684\u7528\u6cd5\uff0c\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528\u5b83\u4f86\u63d0\u9ad8\u7a0b\u5e8f\u7684\u6027\u80fd\u3002<\/p>\n","protected":false},"author":1,"featured_media":2518,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[18],"tags":[15],"class_list":["post-2920","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-python","tag-python"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/badgameshow.com\/steven\/wp-content\/uploads\/2022\/12\/DALL\u00b7E-2022-12-28-14.25.55-\u62f7\u8c9d2.png","jetpack-related-posts":[],"jetpack_shortlink":"https:\/\/wp.me\/pcFK27-L6","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/2920","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/comments?post=2920"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/2920\/revisions"}],"predecessor-version":[{"id":2921,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/2920\/revisions\/2921"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media\/2518"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=2920"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=2920"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=2920"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}