{
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            "questionFrontendId": "2854",
            "boundTopicId": null,
            "title": "Rolling Average Steps",
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            "difficulty": "Medium",
            "likes": 10,
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            "similarQuestions": "[]",
            "exampleTestcases": "{\"headers\": {\"Steps\": [\"user_id\", \"steps_count\", \"steps_date\"]}, \"rows\": {\"Steps\": [[1,687,\"2021-09-02\"],[1,395,\"2021-09-04\"],[1,499,\"2021-09-05\"],[1,712,\"2021-09-06\"],[1,576,\"2021-09-07\"],[2,153,\"2021-09-06\"],[2,171,\"2021-09-07\"],[2,530,\"2021-09-08\"],[3,945,\"2021-09-04\"],[3,120,\"2021-09-07\"],[3,557,\"2021-09-08\"],[3,840,\"2021-09-09\"],[3,627,\"2021-09-10\"],[5,382,\"2021-09-05\"],[6,480,\"2021-09-01\"],[6,191,\"2021-09-02\"],[6,303,\"2021-09-05\"]]}}",
            "categoryTitle": "Database",
            "contributors": [],
            "topicTags": [
                {
                    "name": "Database",
                    "slug": "database",
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            "stats": "{\"totalAccepted\": \"726\", \"totalSubmission\": \"1.2K\", \"totalAcceptedRaw\": 726, \"totalSubmissionRaw\": 1197, \"acRate\": \"60.7%\"}",
            "hints": [],
            "solution": null,
            "status": null,
            "sampleTestCase": "{\"headers\": {\"Steps\": [\"user_id\", \"steps_count\", \"steps_date\"]}, \"rows\": {\"Steps\": [[1,687,\"2021-09-02\"],[1,395,\"2021-09-04\"],[1,499,\"2021-09-05\"],[1,712,\"2021-09-06\"],[1,576,\"2021-09-07\"],[2,153,\"2021-09-06\"],[2,171,\"2021-09-07\"],[2,530,\"2021-09-08\"],[3,945,\"2021-09-04\"],[3,120,\"2021-09-07\"],[3,557,\"2021-09-08\"],[3,840,\"2021-09-09\"],[3,627,\"2021-09-10\"],[5,382,\"2021-09-05\"],[6,480,\"2021-09-01\"],[6,191,\"2021-09-02\"],[6,303,\"2021-09-05\"]]}}",
            "metaData": "{\"mysql\": [\"Create table if not exists Steps(user_id int, steps_count int, steps_date date)\"], \"mssql\": [\"Create table Steps(user_id int, steps_count int, steps_date date)\"], \"oraclesql\": [\"Create table Steps(user_id int, steps_count int, steps_date date)\", \"ALTER SESSION SET nls_date_format='YYYY-MM-DD'\"], \"database\": true, \"name\": \"rolling_average\", \"pythondata\": [\"Steps = pd.DataFrame([], columns=['user_id', 'steps_count', 'steps_date']).astype({'user_id':'Int64', 'steps_count':'Int64', 'steps_date':'datetime64[ns]'})\"], \"postgresql\": [\"Create table if not exists Steps(user_id int, steps_count int, steps_date date)\"], \"database_schema\": {\"Steps\": {\"user_id\": \"INT\", \"steps_count\": \"INT\", \"steps_date\": \"DATE\"}}}",
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                "Create table if not exists Steps(user_id int, steps_count int, steps_date date)",
                "Truncate table Steps",
                "insert into Steps (user_id, steps_count, steps_date) values ('1', '687', '2021-09-02')",
                "insert into Steps (user_id, steps_count, steps_date) values ('1', '395', '2021-09-04')",
                "insert into Steps (user_id, steps_count, steps_date) values ('1', '499', '2021-09-05')",
                "insert into Steps (user_id, steps_count, steps_date) values ('1', '712', '2021-09-06')",
                "insert into Steps (user_id, steps_count, steps_date) values ('1', '576', '2021-09-07')",
                "insert into Steps (user_id, steps_count, steps_date) values ('2', '153', '2021-09-06')",
                "insert into Steps (user_id, steps_count, steps_date) values ('2', '171', '2021-09-07')",
                "insert into Steps (user_id, steps_count, steps_date) values ('2', '530', '2021-09-08')",
                "insert into Steps (user_id, steps_count, steps_date) values ('3', '945', '2021-09-04')",
                "insert into Steps (user_id, steps_count, steps_date) values ('3', '120', '2021-09-07')",
                "insert into Steps (user_id, steps_count, steps_date) values ('3', '557', '2021-09-08')",
                "insert into Steps (user_id, steps_count, steps_date) values ('3', '840', '2021-09-09')",
                "insert into Steps (user_id, steps_count, steps_date) values ('3', '627', '2021-09-10')",
                "insert into Steps (user_id, steps_count, steps_date) values ('5', '382', '2021-09-05')",
                "insert into Steps (user_id, steps_count, steps_date) values ('6', '480', '2021-09-01')",
                "insert into Steps (user_id, steps_count, steps_date) values ('6', '191', '2021-09-02')",
                "insert into Steps (user_id, steps_count, steps_date) values ('6', '303', '2021-09-05')"
            ],
            "enableRunCode": true,
            "enableTestMode": false,
            "enableDebugger": false,
            "envInfo": "{\"mysql\": [\"MySQL\", \"<p><code>MySQL 8.0</code>.</p>\"], \"mssql\": [\"MS SQL Server\", \"<p><code>mssql server 2019</code>.</p>\"], \"oraclesql\": [\"Oracle\", \"<p><code>Oracle Sql 11.2</code>.</p>\"], \"pythondata\": [\"Pandas\", \"<p>Python 3.10 with Pandas 2.0.2 and NumPy 1.25.0</p>\"], \"postgresql\": [\"PostgreSQL\", \"<p>PostgreSQL 16</p>\"]}",
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}