{"action":"opened","issue":{"url":"https://api.github.com/repos/oppia/oppia/issues/5822","repository_url":"https://api.github.com/repos/oppia/oppia","labels_url":"https://api.github.com/repos/oppia/oppia/issues/5822/labels{/name}","comments_url":"https://api.github.com/repos/oppia/oppia/issues/5822/comments","events_url":"https://api.github.com/repos/oppia/oppia/issues/5822/events","html_url":"https://github.com/oppia/oppia/issues/5822","id":377135806,"node_id":"MDU6SXNzdWUzNzcxMzU4MDY=","number":5822,"title":"There should be an explicit customization option in the sorting interaction to allow multiple sort items in the same position.","user":{"login":"seanlip","id":10575562,"node_id":"MDQ6VXNlcjEwNTc1NTYy","avatar_url":"https://avatars0.githubusercontent.com/u/10575562?v=4","gravatar_id":"","url":"https://api.github.com/users/seanlip","html_url":"https://github.com/seanlip","followers_url":"https://api.github.com/users/seanlip/followers","following_url":"https://api.github.com/users/seanlip/following{/other_user}","gists_url":"https://api.github.com/users/seanlip/gists{/gist_id}","starred_url":"https://api.github.com/users/seanlip/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/seanlip/subscriptions","organizations_url":"https://api.github.com/users/seanlip/orgs","repos_url":"https://api.github.com/users/seanlip/repos","events_url":"https://api.github.com/users/seanlip/events{/privacy}","received_events_url":"https://api.github.com/users/seanlip/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":{"login":"vibhor98","id":26625980,"node_id":"MDQ6VXNlcjI2NjI1OTgw","avatar_url":"https://avatars3.githubusercontent.com/u/26625980?v=4","gravatar_id":"","url":"https://api.github.com/users/vibhor98","html_url":"https://github.com/vibhor98","followers_url":"https://api.github.com/users/vibhor98/followers","following_url":"https://api.github.com/users/vibhor98/following{/other_user}","gists_url":"https://api.github.com/users/vibhor98/gists{/gist_id}","starred_url":"https://api.github.com/users/vibhor98/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/vibhor98/subscriptions","organizations_url":"https://api.github.com/users/vibhor98/orgs","repos_url":"https://api.github.com/users/vibhor98/repos","events_url":"https://api.github.com/users/vibhor98/events{/privacy}","received_events_url":"https://api.github.com/users/vibhor98/received_events","type":"User","site_admin":false},"assignees":[{"login":"vibhor98","id":26625980,"node_id":"MDQ6VXNlcjI2NjI1OTgw","avatar_url":"https://avatars3.githubusercontent.com/u/26625980?v=4","gravatar_id":"","url":"https://api.github.com/users/vibhor98","html_url":"https://github.com/vibhor98","followers_url":"https://api.github.com/users/vibhor98/followers","following_url":"https://api.github.com/users/vibhor98/following{/other_user}","gists_url":"https://api.github.com/users/vibhor98/gists{/gist_id}","starred_url":"https://api.github.com/users/vibhor98/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/vibhor98/subscriptions","organizations_url":"https://api.github.com/users/vibhor98/orgs","repos_url":"https://api.github.com/users/vibhor98/repos","events_url":"https://api.github.com/users/vibhor98/events{/privacy}","received_events_url":"https://api.github.com/users/vibhor98/received_events","type":"User","site_admin":false}],"milestone":null,"comments":0,"created_at":"2018-11-04T09:30:21Z","updated_at":"2018-11-04T09:30:21Z","closed_at":null,"author_association":"MEMBER","body":"I was just updating a Fractions lesson to use the new sorting interaction, and on testing, I found that for a standard sorting question, it was possible for two objects to occupy the same slot. In general, this may be desirable in harder sorting problems, but for a student's first introduction to sorting I think we should have the option to disallow it. It may not be clear to the student that sort items which are \"stuck together\", similar to 2/5 and 4/5 in the screenshot below, are to be considered equal.\r\n\r\n![screenshot from 2018-11-04 01-26-39](https://user-images.githubusercontent.com/10575562/47962391-ff0c7c00-dfd0-11e8-97a5-86e4d2d787de.png)\r\n\r\nThe aim of this issue is therefore to add a customization option for allowing two or more sort items to occupy the \"same slot\", and defaulting that customization option to False."}}
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