{"id":198,"date":"2020-04-30T17:41:13","date_gmt":"2020-04-30T09:41:13","guid":{"rendered":"https:\/\/lixinsheng.top\/?p=198"},"modified":"2020-10-06T19:31:24","modified_gmt":"2020-10-06T11:31:24","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8python%e4%b8%ad%e5%88%9d%e5%a7%8b%e5%8c%96%e4%b8%80%e4%b8%aa%e5%85%a80%e7%9a%84%e4%ba%8c%e7%bb%b4%e6%95%b0%e7%bb%84","status":"publish","type":"post","link":"https:\/\/lixinsheng.cn\/index.php\/2020\/04\/30\/%e5%a6%82%e4%bd%95%e5%9c%a8python%e4%b8%ad%e5%88%9d%e5%a7%8b%e5%8c%96%e4%b8%80%e4%b8%aa%e5%85%a80%e7%9a%84%e4%ba%8c%e7%bb%b4%e6%95%b0%e7%bb%84\/","title":{"rendered":"\u5982\u4f55\u5728Python\u4e2d\u521d\u59cb\u5316\u4e00\u4e2a\u51680\u7684\u4e8c\u7ef4\u6570\u7ec4"},"content":{"rendered":"

Python \u5904\u7406\u4e8c\u7ef4\u6570\u7ec4\u8fd8\u662f\u975e\u5e38\u65b9\u4fbf\u7684\uff0c \u7528\u597d\u4e86\u4e8b\u534a\u529f\u500d\uff0c\u7528\u4e0d\u597d\u90fd\u4e0d\u77e5\u9053\u600e\u4e48\u8fdb\u7684\u5751\u3002\u6bd4\u5982\u521d\u59cb\u5316\u4e00\u4e2a3×4\u7684\u51680\u6570\u7ec4\uff0c \u4e00\u62cd\u8111\u888b\u60f3\u4e86\u4e0b\u9762\u5199\u6cd5\uff0c \u5148\u67654\u4e2a0\u653e\u53d8\u91cfa \uff0c\u518d\u628a\u53d8\u91cfa\u67653\u904d\uff0c\u653e\u53d8\u91cfb\u3002 \u6253\u5370b\uff0c\u5f88\u597d\uff0c\u8ddf\u60f3\u8c61\u7684\u4e00\u6837\u3002\u53ef\u662f\u7528\u7684\u65f6\u5019\u5c31\u4e0d\u662f\u90a3\u4e48\u56de\u4e8b\u4e86\uff0c b[0][1]\u8d4b\u503c10\uff0c\u7ed3\u679cb[1][1]\uff0cb[2][1]\u90fd\u53d8\u6210\u4e8610\u3002\u8fd9\u4e2a\u7ed3\u679c\u8bf4\u8d77\u6765\u7b80\u5355\uff0c\u8fd9\u53ef\u662f\u653e\u4e86\u5f88\u591aprint\u624d\u53d1\u73b0\u7684\u3002\u56de\u60f3\u9648\u5112\u7684\u795e\u4e66\u300aPython\u6e90\u7801\u5256\u6790-\u6df1\u5ea6\u63a2\u7d22\u52a8\u6001\u8bed\u8a00\u6838\u5fc3\u6280\u672f\u300b\u6240\u8bf4 \u201cpython\u4e00\u5207\u7686\u5bf9\u8c61\u201d\uff0c \u770b\u6765 b=[a]*3\u00a0 \u4e2d\uff0cb\u7684\u6bcf\u4e00\u9879\u90fd\u662fa\u7684\u4e00\u4e2a\u5f15\u7528\uff0c\u6240\u4ee5\u6539\u4e00\u4e2a\uff0c\u5168\u6539\u3002OMG\uff01<\/p>\n

>>> a=[0]*4\r\n>>> b=[a]*3\r\n>>> b\r\n[[0, 0, 0, 0], [0, 0, 0, 0], [0, 0, 0, 0]]\r\n>>> \r\n>>> b[0][1]=10\r\n>>> b\r\n[[0, 10<\/span>, 0, 0], [0, 10<\/span>, 0, 0], [0, 10<\/span>, 0, 0]]<\/pre>\n
\u90a3\u4e48\u521d\u59cb\u5316\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4\uff0c\u771f\u8981\u641e\u4e2a\u5faa\u73af\u5d4c\u5957 \u4e00\u4e2a\u4e2aappend\u5417\uff1f<\/p>\n
\u5f53\u7136\u4e0d\u662f\uff01\u6b63\u786e\u7684\u59ff\u52bf\u662f\u4f7f\u7528\u201c\u5217\u8868\u63a8\u5bfc\u201d<\/p>\n
>>> b=[[0 for i in range(4)] for j in range(3)]<\/strong><\/span>\r\n>>> b\r\n[[0, 0, 0, 0], [0, 0, 0, 0], [0, 0, 0, 0]]\r\n>>>\r\n>>> b[0][1]=10\r\n>>> b\r\n[[0, 10<\/span>, 0, 0], [0, 0, 0, 0], [0, 0, 0, 0]]<\/pre>\n","protected":false},"excerpt":{"rendered":"
Python \u5904\u7406\u4e8c\u7ef4\u6570\u7ec4\u8fd8\u662f\u975e\u5e38\u65b9\u4fbf\u7684\uff0c \u7528\u597d\u4e86\u4e8b\u534a\u529f\u500d\uff0c\u7528\u4e0d\u597d\u90fd\u4e0d\u77e5\u9053\u600e\u4e48\u8fdb\u7684\u5751\u3002\u6bd4\u5982\u521d\u59cb\u5316\u4e00\u4e2a3×4\u7684\u51680\u6570\u7ec4\uff0c \u4e00\u62cd\u8111\u888b\u60f3\u4e86\u4e0b\u9762\u5199\u6cd5\uff0c \u5148\u67654\u4e2a0\u653e\u53d8\u91cfa \uff0c\u518d\u628a\u53d8\u91cfa\u67653\u904d\uff0c\u653e\u53d8\u91cfb\u3002 \u6253\u5370b\uff0c\u5f88\u597d\uff0c\u8ddf\u60f3\u8c61\u7684\u4e00\u6837\u3002\u53ef\u662f\u7528\u7684\u65f6\u5019\u5c31\u4e0d\u662f\u90a3\u4e48\u56de\u4e8b\u4e86\uff0c b[0][1]\u8d4b\u503c10\uff0c\u7ed3\u679cb[1][1]\uff0cb[2][1]\u90fd\u53d8\u6210\u4e8610\u3002\u8fd9\u4e2a\u7ed3\u679c\u8bf4\u8d77\u6765\u7b80\u5355\uff0c\u8fd9\u53ef\u662f\u653e\u4e86\u5f88\u591aprint\u624d\u53d1\u73b0\u7684\u3002\u56de\u60f3\u9648\u5112\u7684\u795e\u4e66\u300aPython\u6e90\u7801\u5256\u6790-\u6df1\u5ea6\u63a2\u7d22\u52a8\u6001\u8bed\u8a00\u6838\u5fc3\u6280\u672f\u300b\u6240\u8bf4 \u201cpython\u4e00\u5207\u7686\u5bf9\u8c61\u201d\uff0c \u770b\u6765 b=[a]*3\u00a0 \u4e2d\uff0cb\u7684\u6bcf\u4e00\u9879\u90fd\u662fa\u7684\u4e00\u4e2a\u5f15\u7528\uff0c\u6240\u4ee5\u6539\u4e00\u4e2a\uff0c\u5168\u6539\u3002OMG\uff01 >>> a=[0]*4 >>> b=[a]*3 >>> b [[0, 0, 0, 0], [0, 0, 0, 0], [0, 0, 0, 0]] >>> >>> b[0][1]=10 >>> b [[0, 10, 0, 0], [0, 10, 0, 0], [0, 10, 0, 0]] \u90a3\u4e48\u521d\u59cb\u5316\u4e00\u4e2a\u4e8c\u7ef4\u6570\u7ec4\uff0c\u771f\u8981\u641e\u4e2a\u5faa\u73af\u5d4c\u5957 \u4e00\u4e2a\u4e2aappend\u5417\uff1f \u5f53\u7136\u4e0d\u662f\uff01\u6b63\u786e\u7684\u59ff\u52bf\u662f\u4f7f\u7528\u201c\u5217\u8868\u63a8\u5bfc\u201d >>> b=[[0 for i in … Continue reading “\u5982\u4f55\u5728Python\u4e2d\u521d\u59cb\u5316\u4e00\u4e2a\u51680\u7684\u4e8c\u7ef4\u6570\u7ec4”<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13,14],"tags":[17],"class_list":["post-198","post","type-post","status-publish","format-standard","hentry","category-experience","category-knowledge","tag-python"],"_links":{"self":[{"href":"https:\/\/lixinsheng.cn\/index.php\/wp-json\/wp\/v2\/posts\/198","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lixinsheng.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lixinsheng.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lixinsheng.cn\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/lixinsheng.cn\/index.php\/wp-json\/wp\/v2\/comments?post=198"}],"version-history":[{"count":3,"href":"https:\/\/lixinsheng.cn\/index.php\/wp-json\/wp\/v2\/posts\/198\/revisions"}],"predecessor-version":[{"id":201,"href":"https:\/\/lixinsheng.cn\/index.php\/wp-json\/wp\/v2\/posts\/198\/revisions\/201"}],"wp:attachment":[{"href":"https:\/\/lixinsheng.cn\/index.php\/wp-json\/wp\/v2\/media?parent=198"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lixinsheng.cn\/index.php\/wp-json\/wp\/v2\/categories?post=198"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lixinsheng.cn\/index.php\/wp-json\/wp\/v2\/tags?post=198"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}