{"id":132,"date":"2014-07-10T23:49:28","date_gmt":"2014-07-10T14:49:28","guid":{"rendered":"https:\/\/www.dogrow.net\/python\/?p=132"},"modified":"2019-10-19T08:21:25","modified_gmt":"2019-10-18T23:21:25","slug":"blog36","status":"publish","type":"post","link":"https:\/\/www.dogrow.net\/python\/blog36\/","title":{"rendered":"(36) \u914d\u5217\u30c7\u30fc\u30bf\u3092\u30b7\u30e3\u30c3\u30d5\u30eb"},"content":{"rendered":"

1. \u57fa\u672c<\/h1>\n

random.shuffle<\/span> \u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u914d\u5217\u8981\u7d20\u3092\u30b7\u30e3\u30c3\u30d5\u30eb\u3067\u304d\u308b\u3002<\/p>\n

>>> import random\r\n>>>\r\n>>> a = range(10)\r\n>>> a\r\n[0, 1, 2, 3, 4, 5, 6, 7, 8, 9]\r\n>>>\r\n>>> random.shuffle<\/span>(a)\r\n>>> a\r\n[6, 9, 1, 4, 5, 0, 2, 8, 7, 3]\r\n<\/pre>\n
\u6587\u5b57\u5217\u914d\u5217\u3067\u3082OK!<\/p>\n
>>> b = ['aaa','BBB','ccc','dDd','eEE']\r\n>>> b\r\n['aaa', 'BBB', 'ccc', 'dDd', 'eEE']\r\n>>>\r\n>>> random.shuffle(b)\r\n>>> b\r\n['BBB', 'aaa', 'dDd', 'ccc', 'eEE']\r\n<\/pre>\n
numpy\u914d\u5217\u306e\u5834\u5408\u306f numpay.random.shuffle<\/span> \u3067\u540c\u3058\u3053\u3068\u304c\u3067\u304d\u308b\u3002<\/p>\n
>>> import numpy as np\r\n>>> import numpy.random as nr\r\n>>>\r\n>>> a = np.arange(10)\r\n>>> a\r\narray([0, 1, 2, 3, 4, 5, 6, 7, 8, 9])\r\n>>>\r\n>>> nr.shuffle<\/span>(a)\r\n>>> a\r\narray([0, 6, 4, 3, 5, 8, 9, 2, 7, 1])\r\n<\/pre>\n
2. \u5fdc\u7528<\/h1>\n
\u30d5\u30a1\u30a4\u30eb\u691c\u7d22\u3067\u5f97\u3089\u308c\u305f\u30d5\u30a1\u30a4\u30eb\u30ea\u30b9\u30c8\u3092\u30b7\u30e3\u30c3\u30d5\u30eb\u3059\u308b\u3002
\n\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30c6\u30ad\u30b9\u30c8\u30d5\u30a1\u30a4\u30eb\u304c\u7f6e\u304b\u308c\u305f\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306b\u5bfe\u3057\u3066\u30d5\u30a1\u30a4\u30eb\u691c\u7d22\u3059\u308b\u3002<\/p>\n
[user@linux]$ ll .\/sub\/\r\n\u5408\u8a08 28\r\n-rw-rw-r--. 1 user user 35  7\u6708 10 23:35 2014 text001.txt\r\n-rw-rw-r--. 1 user user 35  7\u6708 10 23:35 2014 text002.txt\r\n-rw-rw-r--. 1 user user 35  7\u6708 10 23:35 2014 text003.txt\r\n-rw-rw-r--. 1 user user 35  7\u6708 10 23:35 2014 text004.txt\r\n-rw-rw-r--. 1 user user 35  7\u6708 10 23:35 2014 text005.txt\r\n-rw-rw-r--. 1 user user 35  7\u6708 10 23:35 2014 text006.txt\r\n-rw-rw-r--. 1 user user 35  7\u6708 10 23:35 2014 text007.txt\r\n<\/pre>\n
glob<\/span> \u3092\u4f7f\u3063\u3066\u30d5\u30a1\u30a4\u30eb\u30ea\u30b9\u30c8\u3092\u53d6\u5f97\u3057\u3001\u3053\u308c\u3092\u30b7\u30e3\u30c3\u30d5\u30eb\u3057\u3066\u307f\u308b\u3002<\/p>\n
>>> import glob\r\n>>> files = glob.glob<\/span>('.\/sub\/*.txt')\r\n>>> files\r\n['.\/sub\/text002.txt', '.\/sub\/text005.txt', '.\/sub\/text006.txt',\r\n '.\/sub\/text003.txt', '.\/sub\/text001.txt', '.\/sub\/text004.txt',\r\n '.\/sub\/text007.txt']\r\n>>>\r\n>>> import random\r\n>>> random.shuffle<\/span>(files)\r\n>>> files\r\n['.\/sub\/text005.txt', '.\/sub\/text002.txt', '.\/sub\/text004.txt',\r\n '.\/sub\/text003.txt', '.\/sub\/text001.txt', '.\/sub\/text006.txt',\r\n '.\/sub\/text007.txt']\r\n<\/pre>\n
\n","protected":false},"excerpt":{"rendered":"
1. \u57fa\u672c random.shuffle \u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u914d\u5217\u8981\u7d20\u3092\u30b7\u30e3\u30c3\u30d5\u30eb\u3067\u304d\u308b\u3002 >>> import random >>> >>> a = range(10) \u2026 \u7d9a\u304d\u3092\u8aad\u3080 »<\/a><\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10,13],"tags":[],"class_list":["post-132","post","type-post","status-publish","format-standard","hentry","category-numpy","category-13"],"views":10649,"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/www.dogrow.net\/python\/wp-json\/wp\/v2\/posts\/132","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.dogrow.net\/python\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.dogrow.net\/python\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.dogrow.net\/python\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.dogrow.net\/python\/wp-json\/wp\/v2\/comments?post=132"}],"version-history":[{"count":9,"href":"https:\/\/www.dogrow.net\/python\/wp-json\/wp\/v2\/posts\/132\/revisions"}],"predecessor-version":[{"id":2633,"href":"https:\/\/www.dogrow.net\/python\/wp-json\/wp\/v2\/posts\/132\/revisions\/2633"}],"wp:attachment":[{"href":"https:\/\/www.dogrow.net\/python\/wp-json\/wp\/v2\/media?parent=132"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.dogrow.net\/python\/wp-json\/wp\/v2\/categories?post=132"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dogrow.net\/python\/wp-json\/wp\/v2\/tags?post=132"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}