{"id":97032,"date":"2024-10-20T14:26:16","date_gmt":"2024-10-20T06:26:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/97032\/"},"modified":"2024-10-20T14:26:17","modified_gmt":"2024-10-20T06:26:17","slug":"python%e5%af%a6%e7%8f%be%e5%ba%8f%e5%88%97%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e7%af%a9%e9%81%b8%e5%8a%9f%e8%83%bd-python%e7%af%a9%e9%81%b8%e5%ba%8f%e5%88%97%e6%95%b8%e6%93%9a%e5%ba%ab","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/97032\/","title":{"rendered":"Python\u5be6\u73fe\u5e8f\u5217\u6578\u64da\u5eab\u7684\u7be9\u9078\u529f\u80fd (python\u7be9\u9078\u5e8f\u5217\u6578\u64da\u5eab)"},"content":{"rendered":"

Python\u5be6\u73fe\u5e8f\u5217\u6578\u64da\u5eab\u7684\u7be9\u9078\u529f\u80fd<\/h1>\n

\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u7684\u7ba1\u7406\u548c\u7be9\u9078\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002Python\u4f5c\u70ba\u4e00\u7a2e\u5f37\u5927\u7684\u7de8\u7a0b\u8a9e\u8a00\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u5de5\u5177\u548c\u5eab\u4f86\u8655\u7406\u548c\u7be9\u9078\u6578\u64da\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528Python\u5be6\u73fe\u5e8f\u5217\u6578\u64da\u5eab\u7684\u7be9\u9078\u529f\u80fd\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n

\u4ec0\u9ebc\u662f\u5e8f\u5217\u6578\u64da\u5eab\uff1f<\/h2>\n

\u5e8f\u5217\u6578\u64da\u5eab\u662f\u4e00\u7a2e\u5c08\u9580\u7528\u65bc\u5b58\u5132\u548c\u7ba1\u7406\u5e8f\u5217\u6578\u64da\u7684\u6578\u64da\u5eab\u3002\u9019\u4e9b\u6578\u64da\u53ef\u4ee5\u662fDNA\u5e8f\u5217\u3001\u86cb\u767d\u8cea\u5e8f\u5217\u6216\u5176\u4ed6\u985e\u578b\u7684\u751f\u7269\u5e8f\u5217\u3002\u5e8f\u5217\u6578\u64da\u5eab\u901a\u5e38\u5305\u542b\u5927\u91cf\u7684\u6578\u64da\uff0c\u56e0\u6b64\u9ad8\u6548\u7684\u7be9\u9078\u548c\u67e5\u8a62\u529f\u80fd\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n

Python\u4e2d\u7684\u6578\u64da\u7be9\u9078<\/h2>\n

\u5728Python\u4e2d\uff0c\u6578\u64da\u7be9\u9078\u53ef\u4ee5\u901a\u904e\u591a\u7a2e\u65b9\u5f0f\u5be6\u73fe\u3002\u6700\u5e38\u7528\u7684\u65b9\u6cd5\u662f\u4f7f\u7528\u5217\u8868\u63a8\u5c0e\u5f0f\u3001\u904e\u6ffe\u51fd\u6578\u548cPandas\u5eab\u3002\u4ee5\u4e0b\u662f\u9019\u4e9b\u65b9\u6cd5\u7684\u7c21\u8981\u4ecb\u7d39\uff1a<\/p>\n

1. \u5217\u8868\u63a8\u5c0e\u5f0f<\/h3>\n

\u5217\u8868\u63a8\u5c0e\u5f0f\u662f\u4e00\u7a2e\u7c21\u6f54\u7684\u8a9e\u6cd5\uff0c\u53ef\u4ee5\u7528\u4f86\u5275\u5efa\u65b0\u5217\u8868\uff0c\u4e26\u540c\u6642\u9032\u884c\u7be9\u9078\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff1a<\/p>\n

sequences = [\"ATCG\", \"GCTA\", \"TTAG\", \"CGAT\"]\nfiltered_sequences = [seq for seq in sequences if \"A\" in seq]\nprint(filtered_sequences)  # \u8f38\u51fa: ['ATCG', 'GCTA', 'TTAG', 'CGAT']<\/code><\/pre>\n
2. \u904e\u6ffe\u51fd\u6578<\/h3>\n
\u904e\u6ffe\u51fd\u6578\u662f\u53e6\u4e00\u7a2e\u7be9\u9078\u6578\u64da\u7684\u6709\u6548\u65b9\u6cd5\u3002\u5b83\u63a5\u53d7\u4e00\u500b\u51fd\u6578\u548c\u4e00\u500b\u53ef\u8fed\u4ee3\u5c0d\u8c61\uff0c\u4e26\u8fd4\u56de\u7b26\u5408\u689d\u4ef6\u7684\u5143\u7d20\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528\u904e\u6ffe\u51fd\u6578\u7684\u793a\u4f8b\uff1a<\/p>\n
def contains_a(seq):\n    return \"A\" in seq\n\nfiltered_sequences = list(filter(contains_a, sequences))\nprint(filtered_sequences)  # \u8f38\u51fa: ['ATCG', 'GCTA', 'TTAG', 'CGAT']<\/code><\/pre>\n
3. \u4f7f\u7528Pandas\u5eab<\/h3>\n
Pandas\u662f\u4e00\u500b\u5f37\u5927\u7684\u6578\u64da\u5206\u6790\u5eab\uff0c\u7279\u5225\u9069\u5408\u8655\u7406\u5927\u578b\u6578\u64da\u96c6\u3002\u4f7f\u7528Pandas\u9032\u884c\u6578\u64da\u7be9\u9078\u7684\u793a\u4f8b\u5982\u4e0b\uff1a<\/p>\n
import pandas as pd\n\ndata = {'sequences': [\"ATCG\", \"GCTA\", \"TTAG\", \"CGAT\"]}\ndf = pd.DataFrame(data)\n\nfiltered_df = df[df['sequences'].str.contains(\"A\")]\nprint(filtered_df)  # \u8f38\u51fa: \n#   sequences\n# 0      ATCG\n# 1      GCTA\n# 2      TTAG\n# 3      CGAT<\/code><\/pre>\n
\u7be9\u9078\u529f\u80fd\u7684\u61c9\u7528\u5834\u666f<\/h2>\n
\u5e8f\u5217\u6578\u64da\u5eab\u7684\u7be9\u9078\u529f\u80fd\u5728\u751f\u7269\u4fe1\u606f\u5b78\u3001\u57fa\u56e0\u7d44\u5b78\u548c\u85e5\u7269\u767c\u73fe\u7b49\u9818\u57df\u5177\u6709\u5ee3\u6cdb\u7684\u61c9\u7528\u3002\u4f8b\u5982\uff0c\u7814\u7a76\u4eba\u54e1\u53ef\u4ee5\u4f7f\u7528\u7be9\u9078\u529f\u80fd\u4f86\u67e5\u627e\u7279\u5b9a\u7684\u57fa\u56e0\u5e8f\u5217\uff0c\u6216\u662f\u5206\u6790\u67d0\u4e9b\u86cb\u767d\u8cea\u7684\u7d50\u69cb\u7279\u5fb5\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
Python\u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u6cd5\u4f86\u5be6\u73fe\u5e8f\u5217\u6578\u64da\u5eab\u7684\u7be9\u9078\u529f\u80fd\uff0c\u5305\u62ec\u5217\u8868\u63a8\u5c0e\u5f0f\u3001\u904e\u6ffe\u51fd\u6578\u548cPandas\u5eab\u3002\u9019\u4e9b\u5de5\u5177\u4e0d\u50c5\u63d0\u9ad8\u4e86\u6578\u64da\u8655\u7406\u7684\u6548\u7387\uff0c\u9084\u4f7f\u5f97\u6578\u64da\u5206\u6790\u8b8a\u5f97\u66f4\u52a0\u7c21\u55ae\u548c\u76f4\u89c0\u3002\u5c0d\u65bc\u9700\u8981\u8655\u7406\u5927\u91cf\u6578\u64da\u7684\u7528\u6236\u4f86\u8aaa\uff0c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u7be9\u9078\u65b9\u6cd5\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n
\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u6578\u64da\u8655\u7406\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528\u9999\u6e2fVPS<\/a>\u4f86\u904b\u884c\u60a8\u7684Python\u61c9\u7528\u7a0b\u5e8f\uff0c\u9019\u5c07\u70ba\u60a8\u7684\u6578\u64da\u5206\u6790\u63d0\u4f9b\u7a69\u5b9a\u7684\u74b0\u5883\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u63a2\u7d22\u5982\u4f55\u4f7f\u7528Python\u5be6\u73fe\u5e8f\u5217\u6578\u64da\u5eab\u7684\u7be9\u9078\u529f\u80fd\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u6548\u7387\uff0c\u7c21\u5316\u5e8f\u5217\u5206\u6790\u904e\u7a0b\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-97032","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97032","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=97032"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97032\/revisions"}],"predecessor-version":[{"id":97033,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97032\/revisions\/97033"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=97032"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=97032"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=97032"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}