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41 lines
1.0 KiB
HTML
41 lines
1.0 KiB
HTML
<pre>
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DataFrame <code>students</code>
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+-------------+--------+
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| Column Name | Type |
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+-------------+--------+
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| student_id | int |
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| name | object |
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| age | int |
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| grade | float |
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+-------------+--------+
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</pre>
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<p>编写一个解决方案来纠正以下错误：</p>
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<p> <code>grade</code> 列被存储为浮点数，将它转换为整数。</p>
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<p>返回结果格式如下示例所示。</p>
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<p> </p>
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<p><strong>示例 1:</strong></p>
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<pre>
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<strong>输入：
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</strong>DataFrame students:
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+------------+------+-----+-------+
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| student_id | name | age | grade |
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+------------+------+-----+-------+
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| 1 | Ava | 6 | 73.0 |
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| 2 | Kate | 15 | 87.0 |
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+------------+------+-----+-------+
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<strong>输出：
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</strong>+------------+------+-----+-------+
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| student_id | name | age | grade |
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+------------+------+-----+-------+
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| 1 | Ava | 6 | 73 |
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| 2 | Kate | 15 | 87 |
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+------------+------+-----+-------+
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<b>解释：</b>
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grade 列的数据类型已转换为整数。</pre>
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