{"id":9632,"date":"2022-09-19T22:36:57","date_gmt":"2022-09-19T17:06:57","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-check-whether-sum-of-two-list-members-can-be-found-in-another-list-closed\/"},"modified":"2022-09-19T22:36:57","modified_gmt":"2022-09-19T17:06:57","slug":"solved-check-whether-sum-of-two-list-members-can-be-found-in-another-list-closed","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-check-whether-sum-of-two-list-members-can-be-found-in-another-list-closed\/","title":{"rendered":"[Solved] Check whether sum of two list members can be found in another list [closed]"},"content":{"rendered":"<p> [ad_1]<br \/>\n<\/p>\n<div id=\"answer-62206276\" class=\"answer js-answer accepted-answer js-accepted-answer\" data-answerid=\"62206276\" data-parentid=\"62205992\" data-score=\"0\" data-position-on-page=\"1\" data-highest-scored=\"1\" data-question-has-accepted-highest-score=\"1\" itemprop=\"acceptedAnswer\" itemscope itemtype=\"https:\/\/schema.org\/Answer\">\n<div class=\"post-layout\">\n<div class=\"votecell post-layout--left\"><\/div>\n<div class=\"answercell post-layout--right\">\n<div class=\"s-prose js-post-body\" itemprop=\"text\">\n<p>If I understood well this is what you you&#8217;re looking for:<\/p>\n<p>This is not the most elegant solution, but one that is rather easy to understand<br \/>\nand doesn&#8217;t require knowledge of any other python modules.<\/p>\n<p>you just try out all combinations of two dice, calculate the sum and if you can find a sum, you return <code>True<\/code> (and stop looking for other solutions)<br \/>\notherwise (if you have tried all combinations and you found nothing)<br \/>\nyou return <code>False<\/code>)<\/p>\n<p>Now you can use this function in your code to check whether you want to ask the user which dice to choose or whether to immediately <code>continue<\/code> the loop<\/p>\n<pre><code>def can_remove_a_number(thrown_dice, remaining_numbers):\n    \"\"\"\n    checks whether the sum of two dice out of thrown_dice\n    can be found in remaining_numbers\n    \"\"\"\n    for idx1 in range(len(thrown_dice) - 1):\n        for idx2 in range(idx1 + 1,  len(thrown_dice)):\n            # next line for debugging only\n            print(\"trying die %d and die %d\" % (idx1, idx2))\n            sum_ = thrown_dice[idx1] + thrown_dice[idx2]\n            # next line for debugging only\n            print(\"sum = \", sum_)\n            if sum_ in remaining_numbers:\n                return True\n    return False\n<\/code><\/pre>\n<p>and for testing:<\/p>\n<pre><code>print(\"*\" * 30)\nprint(can_remove_a_number([1,2,2], [5,6,7]))\nprint(\"*\" * 30)\nprint(can_remove_a_number([1,2,2], [4,5,6,7]))\nprint(\"*\" * 30)\n\n# or if you want to write a test\n# assert &lt;expression&gt; breaks if expression is not True\nassert not can_remove_a_number([1,2,2], [5,6,7])\nprint(\"*\" * 30)\n\nassert can_remove_a_number([1,2,2], [4,5,6,7])\nprint(\"*\" * 30)\n<\/code><\/pre>\n<p>In fact now a less manual solution.<br \/>\nJust use <a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/docs.python.org\/3.8\/library\/itertools.html#itertools.combinations\">https:\/\/docs.python.org\/3.8\/library\/itertools.html#itertools.combinations<\/a><\/p>\n<pre><code>from itertools import combinations\n\ndef can_remove_a_number(thrown_dice, remaining_numbers):\n    for dice in combinations(thrown_dice, 2):\n        sum_ = sum(dice)\n        if sum_ in remaining_numbers:\n            return True\n    return False\n<\/code><\/pre>\n<p>Or if you heard about list comprehensions \/ comprehensions ( <a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/python-3-patterns-idioms-test.readthedocs.io\/en\/latest\/Comprehensions.html\">https:\/\/python-3-patterns-idioms-test.readthedocs.io\/en\/latest\/Comprehensions.html<\/a> ) :<\/p>\n<pre><code>def can_remove_a_number(thrown_dice, remaining_numbers):\n    for sum_ in (sum(dice) for dice in combinations(thrown_dice, 2)):\n        if sum_ in remaining_numbers:\n            return True\n    return False\n<\/code><\/pre>\n<p>or with another comprehension<\/p>\n<pre><code>def can_remove_a_number(thrown_dice, remaining_numbers):\n    for found in (sum(dice) in remaining_numbers \n                  for dice in combinations(thrown_dice, 2)):\n        if found:\n            return True\n    return False\n<\/code><\/pre>\n<p>or you combine with the any function ( <a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/docs.python.org\/3.8\/library\/functions.html#any\">https:\/\/docs.python.org\/3.8\/library\/functions.html#any<\/a> )<\/p>\n<pre><code>def can_remove_a_number(thrown_dice, remaining_numbers):\n    return any(sum(dice) in remaining_numbers \n               for dice in combinations(thrown_dice, 2))\n<\/code><\/pre>\n<\/p><\/div>\n<div class=\"mt24\"><\/div>\n<\/div>\n<p>            <span class=\"d-none\" itemprop=\"commentCount\">11<\/span> <\/p><\/div>\n<\/div>\n<p>[ad_2]<\/p>\n<p>solved Check whether sum of two list members can be found in another list [closed] <\/p>\n","protected":false},"excerpt":{"rendered":"<p>[ad_1] If I understood well this is what you you&#8217;re looking for: This is not the most elegant solution, but one that is rather easy to understand and doesn&#8217;t require knowledge of any other python modules. you just try out all combinations of two dice, calculate the sum and if you can find a sum, &#8230; <a title=\"[Solved] Check whether sum of two list members can be found in another list [closed]\" class=\"read-more\" href=\"https:\/\/jassweb.com\/solved\/solved-check-whether-sum-of-two-list-members-can-be-found-in-another-list-closed\/\" aria-label=\"More on [Solved] Check whether sum of two list members can be found in another list [closed]\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[320],"tags":[349],"class_list":["post-9632","post","type-post","status-publish","format-standard","hentry","category-solved","tag-python"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>[Solved] Check whether sum of two list members can be found in another list [closed] - JassWeb<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/jassweb.com\/solved\/solved-check-whether-sum-of-two-list-members-can-be-found-in-another-list-closed\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] Check whether sum of two list members can be found in another list [closed] - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] If I understood well this is what you you&#8217;re looking for: This is not the most elegant solution, but one that is rather easy to understand and doesn&#8217;t require knowledge of any other python modules. you just try out all combinations of two dice, calculate the sum and if you can find a sum, ... Read more\" \/>\n<meta property=\"og:url\" content=\"https:\/\/jassweb.com\/solved\/solved-check-whether-sum-of-two-list-members-can-be-found-in-another-list-closed\/\" \/>\n<meta property=\"og:site_name\" content=\"JassWeb\" \/>\n<meta property=\"article:published_time\" content=\"2022-09-19T17:06:57+00:00\" \/>\n<meta name=\"author\" content=\"Kirat\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Kirat\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/jassweb.com\/solved\/solved-check-whether-sum-of-two-list-members-can-be-found-in-another-list-closed\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/jassweb.com\/solved\/solved-check-whether-sum-of-two-list-members-can-be-found-in-another-list-closed\/\"},\"author\":{\"name\":\"Kirat\",\"@id\":\"https:\/\/jassweb.com\/solved\/#\/schema\/person\/65c9c7b7958150c0dc8371fa35dd7c31\"},\"headline\":\"[Solved] Check whether sum of two list members can be found in another list [closed]\",\"datePublished\":\"2022-09-19T17:06:57+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/jassweb.com\/solved\/solved-check-whether-sum-of-two-list-members-can-be-found-in-another-list-closed\/\"},\"wordCount\":194,\"publisher\":{\"@id\":\"https:\/\/jassweb.com\/solved\/#organization\"},\"keywords\":[\"python\"],\"articleSection\":[\"Solved\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/jassweb.com\/solved\/solved-check-whether-sum-of-two-list-members-can-be-found-in-another-list-closed\/\",\"url\":\"https:\/\/jassweb.com\/solved\/solved-check-whether-sum-of-two-list-members-can-be-found-in-another-list-closed\/\",\"name\":\"[Solved] Check whether sum of two list members can be found in another list [closed] - JassWeb\",\"isPartOf\":{\"@id\":\"https:\/\/jassweb.com\/solved\/#website\"},\"datePublished\":\"2022-09-19T17:06:57+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/jassweb.com\/solved\/solved-check-whether-sum-of-two-list-members-can-be-found-in-another-list-closed\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/jassweb.com\/solved\/solved-check-whether-sum-of-two-list-members-can-be-found-in-another-list-closed\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/jassweb.com\/solved\/solved-check-whether-sum-of-two-list-members-can-be-found-in-another-list-closed\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/jassweb.com\/solved\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"[Solved] Check whether sum of two list members can be found in another list [closed]\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/jassweb.com\/solved\/#website\",\"url\":\"https:\/\/jassweb.com\/solved\/\",\"name\":\"JassWeb\",\"description\":\"Build High-quality Websites\",\"publisher\":{\"@id\":\"https:\/\/jassweb.com\/solved\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/jassweb.com\/solved\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/jassweb.com\/solved\/#organization\",\"name\":\"Jass Web\",\"url\":\"https:\/\/jassweb.com\/solved\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/jassweb.com\/solved\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/jassweb.com\/wp-content\/uploads\/2021\/02\/jass-website-logo-1.png\",\"contentUrl\":\"https:\/\/jassweb.com\/wp-content\/uploads\/2021\/02\/jass-website-logo-1.png\",\"width\":693,\"height\":132,\"caption\":\"Jass Web\"},\"image\":{\"@id\":\"https:\/\/jassweb.com\/solved\/#\/schema\/logo\/image\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\/\/jassweb.com\/solved\/#\/schema\/person\/65c9c7b7958150c0dc8371fa35dd7c31\",\"name\":\"Kirat\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/jassweb.com\/solved\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/jassweb.com\/solved\/wp-content\/litespeed\/avatar\/1261af3c9451399fa1336d28b98ea3bb.jpg?ver=1775798750\",\"contentUrl\":\"https:\/\/jassweb.com\/solved\/wp-content\/litespeed\/avatar\/1261af3c9451399fa1336d28b98ea3bb.jpg?ver=1775798750\",\"caption\":\"Kirat\"},\"sameAs\":[\"http:\/\/jassweb.com\"],\"url\":\"https:\/\/jassweb.com\/solved\/author\/jaspritsinghghumangmail-com\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"[Solved] Check whether sum of two list members can be found in another list [closed] - JassWeb","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/jassweb.com\/solved\/solved-check-whether-sum-of-two-list-members-can-be-found-in-another-list-closed\/","og_locale":"en_US","og_type":"article","og_title":"[Solved] Check whether sum of two list members can be found in another list [closed] - JassWeb","og_description":"[ad_1] If I understood well this is what you you&#8217;re looking for: This is not the most elegant solution, but one that is rather easy to understand and doesn&#8217;t require knowledge of any other python modules. you just try out all combinations of two dice, calculate the sum and if you can find a sum, ... Read more","og_url":"https:\/\/jassweb.com\/solved\/solved-check-whether-sum-of-two-list-members-can-be-found-in-another-list-closed\/","og_site_name":"JassWeb","article_published_time":"2022-09-19T17:06:57+00:00","author":"Kirat","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Kirat","Est. reading time":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/jassweb.com\/solved\/solved-check-whether-sum-of-two-list-members-can-be-found-in-another-list-closed\/#article","isPartOf":{"@id":"https:\/\/jassweb.com\/solved\/solved-check-whether-sum-of-two-list-members-can-be-found-in-another-list-closed\/"},"author":{"name":"Kirat","@id":"https:\/\/jassweb.com\/solved\/#\/schema\/person\/65c9c7b7958150c0dc8371fa35dd7c31"},"headline":"[Solved] Check whether sum of two list members can be found in another list [closed]","datePublished":"2022-09-19T17:06:57+00:00","mainEntityOfPage":{"@id":"https:\/\/jassweb.com\/solved\/solved-check-whether-sum-of-two-list-members-can-be-found-in-another-list-closed\/"},"wordCount":194,"publisher":{"@id":"https:\/\/jassweb.com\/solved\/#organization"},"keywords":["python"],"articleSection":["Solved"],"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/jassweb.com\/solved\/solved-check-whether-sum-of-two-list-members-can-be-found-in-another-list-closed\/","url":"https:\/\/jassweb.com\/solved\/solved-check-whether-sum-of-two-list-members-can-be-found-in-another-list-closed\/","name":"[Solved] Check whether sum of two list members can be found in another list [closed] - JassWeb","isPartOf":{"@id":"https:\/\/jassweb.com\/solved\/#website"},"datePublished":"2022-09-19T17:06:57+00:00","breadcrumb":{"@id":"https:\/\/jassweb.com\/solved\/solved-check-whether-sum-of-two-list-members-can-be-found-in-another-list-closed\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/jassweb.com\/solved\/solved-check-whether-sum-of-two-list-members-can-be-found-in-another-list-closed\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/jassweb.com\/solved\/solved-check-whether-sum-of-two-list-members-can-be-found-in-another-list-closed\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/jassweb.com\/solved\/"},{"@type":"ListItem","position":2,"name":"[Solved] Check whether sum of two list members can be found in another list [closed]"}]},{"@type":"WebSite","@id":"https:\/\/jassweb.com\/solved\/#website","url":"https:\/\/jassweb.com\/solved\/","name":"JassWeb","description":"Build High-quality Websites","publisher":{"@id":"https:\/\/jassweb.com\/solved\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/jassweb.com\/solved\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/jassweb.com\/solved\/#organization","name":"Jass Web","url":"https:\/\/jassweb.com\/solved\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/jassweb.com\/solved\/#\/schema\/logo\/image\/","url":"https:\/\/jassweb.com\/wp-content\/uploads\/2021\/02\/jass-website-logo-1.png","contentUrl":"https:\/\/jassweb.com\/wp-content\/uploads\/2021\/02\/jass-website-logo-1.png","width":693,"height":132,"caption":"Jass Web"},"image":{"@id":"https:\/\/jassweb.com\/solved\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/jassweb.com\/solved\/#\/schema\/person\/65c9c7b7958150c0dc8371fa35dd7c31","name":"Kirat","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/jassweb.com\/solved\/#\/schema\/person\/image\/","url":"https:\/\/jassweb.com\/solved\/wp-content\/litespeed\/avatar\/1261af3c9451399fa1336d28b98ea3bb.jpg?ver=1775798750","contentUrl":"https:\/\/jassweb.com\/solved\/wp-content\/litespeed\/avatar\/1261af3c9451399fa1336d28b98ea3bb.jpg?ver=1775798750","caption":"Kirat"},"sameAs":["http:\/\/jassweb.com"],"url":"https:\/\/jassweb.com\/solved\/author\/jaspritsinghghumangmail-com\/"}]}},"_links":{"self":[{"href":"https:\/\/jassweb.com\/solved\/wp-json\/wp\/v2\/posts\/9632","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jassweb.com\/solved\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jassweb.com\/solved\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jassweb.com\/solved\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/jassweb.com\/solved\/wp-json\/wp\/v2\/comments?post=9632"}],"version-history":[{"count":0,"href":"https:\/\/jassweb.com\/solved\/wp-json\/wp\/v2\/posts\/9632\/revisions"}],"wp:attachment":[{"href":"https:\/\/jassweb.com\/solved\/wp-json\/wp\/v2\/media?parent=9632"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jassweb.com\/solved\/wp-json\/wp\/v2\/categories?post=9632"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jassweb.com\/solved\/wp-json\/wp\/v2\/tags?post=9632"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}