leetcode-problemset/leetcode/originData/classes-more-than-5-students.json

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            "title": "Classes More Than 5 Students",
            "titleSlug": "classes-more-than-5-students",
            "content": "<p>Table: <code>Courses</code></p>\n\n<pre>\n+-------------+---------+\n| Column Name | Type    |\n+-------------+---------+\n| student     | varchar |\n| class       | varchar |\n+-------------+---------+\n(student, class) is the primary key (combination of columns with unique values) for this table.\nEach row of this table indicates the name of a student and the class in which they are enrolled.\n</pre>\n\n<p>&nbsp;</p>\n\n<p>Write a solution to find all the classes that have <strong>at least five students</strong>.</p>\n\n<p>Return the result table in <strong>any order</strong>.</p>\n\n<p>The&nbsp;result format is in the following example.</p>\n\n<p>&nbsp;</p>\n<p><strong class=\"example\">Example 1:</strong></p>\n\n<pre>\n<strong>Input:</strong> \nCourses table:\n+---------+----------+\n| student | class    |\n+---------+----------+\n| A       | Math     |\n| B       | English  |\n| C       | Math     |\n| D       | Biology  |\n| E       | Math     |\n| F       | Computer |\n| G       | Math     |\n| H       | Math     |\n| I       | Math     |\n+---------+----------+\n<strong>Output:</strong> \n+---------+\n| class   |\n+---------+\n| Math    |\n+---------+\n<strong>Explanation:</strong> \n- Math has 6 students, so we include it.\n- English has 1 student, so we do not include it.\n- Biology has 1 student, so we do not include it.\n- Computer has 1 student, so we do not include it.\n</pre>\n",
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                    "code": "import pandas as pd\n\ndef find_classes(courses: pd.DataFrame) -> pd.DataFrame:\n    ",
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            "sampleTestCase": "{\"headers\": {\"Courses\": [\"student\", \"class\"]}, \"rows\": {\"Courses\": [[\"A\", \"Math\"], [\"B\", \"English\"], [\"C\", \"Math\"], [\"D\", \"Biology\"], [\"E\", \"Math\"], [\"F\", \"Computer\"], [\"G\", \"Math\"], [\"H\", \"Math\"], [\"I\", \"Math\"]]}}",
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                "Create table If Not Exists Courses (student varchar(255), class varchar(255))",
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                "insert into Courses (student, class) values ('A', 'Math')",
                "insert into Courses (student, class) values ('B', 'English')",
                "insert into Courses (student, class) values ('C', 'Math')",
                "insert into Courses (student, class) values ('D', 'Biology')",
                "insert into Courses (student, class) values ('E', 'Math')",
                "insert into Courses (student, class) values ('F', 'Computer')",
                "insert into Courses (student, class) values ('G', 'Math')",
                "insert into Courses (student, class) values ('H', 'Math')",
                "insert into Courses (student, class) values ('I', 'Math')"
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