{"id":63,"date":"2021-02-08T07:18:31","date_gmt":"2021-02-08T07:18:31","guid":{"rendered":"https:\/\/clvrclvr.com\/content\/?p=63"},"modified":"2021-02-08T07:18:31","modified_gmt":"2021-02-08T07:18:31","slug":"transpose-in-python","status":"publish","type":"post","link":"https:\/\/clvrclvr.com\/content\/?p=63","title":{"rendered":"Transpose in Python"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">A person on Quora asked how to transpose a list of lists in Python.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">As usual I asked myself what is the simplest thing that could possibly work.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This is what I came up with:<\/p>\n\n\n\n<pre>\ndef transpose(data):\n  visited = []\n  for y in range(len(data)):\n    for x in range(len(data[0])):\n      if (y,x) not in visited:\n        data[y][x], data[x][y] = data[x][y], data[y][x]\n        visited.append((x,y))\ndata = [ \n  [0,0,0,0],\n  [1,1,1,1],\n  [0,0,0,0],\n  [1,1,1,1]\n]\nexpected = [ \n  [0, 1, 0, 1], \n  [0, 1, 0, 1], \n  [0, 1, 0, 1], \n  [0, 1, 0, 1]\n]\n\ntranspose(data)\nprint(data) \n<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>A person on Quora asked how to transpose a list of lists&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-63","post","type-post","status-publish","format-standard","hentry","category-post"],"_links":{"self":[{"href":"https:\/\/clvrclvr.com\/content\/index.php?rest_route=\/wp\/v2\/posts\/63","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/clvrclvr.com\/content\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/clvrclvr.com\/content\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/clvrclvr.com\/content\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/clvrclvr.com\/content\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=63"}],"version-history":[{"count":1,"href":"https:\/\/clvrclvr.com\/content\/index.php?rest_route=\/wp\/v2\/posts\/63\/revisions"}],"predecessor-version":[{"id":64,"href":"https:\/\/clvrclvr.com\/content\/index.php?rest_route=\/wp\/v2\/posts\/63\/revisions\/64"}],"wp:attachment":[{"href":"https:\/\/clvrclvr.com\/content\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=63"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/clvrclvr.com\/content\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=63"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/clvrclvr.com\/content\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=63"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}