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2886. Change Data Type
Description
DataFrame students
+-------------+--------+
| Column Name | Type |
+-------------+--------+
| student_id | int |
| name | object |
| age | int |
| grade | float |
+-------------+--------+
Write a solution to correct the errors:
The grade column is stored as floats, convert it to integers.
The result format is in the following example.
Example 1: Input: DataFrame students: +------------+------+-----+-------+ | student_id | name | age | grade | +------------+------+-----+-------+ | 1 | Ava | 6 | 73.0 | | 2 | Kate | 15 | 87.0 | +------------+------+-----+-------+ Output: +------------+------+-----+-------+ | student_id | name | age | grade | +------------+------+-----+-------+ | 1 | Ava | 6 | 73 | | 2 | Kate | 15 | 87 | +------------+------+-----+-------+ Explanation: The data types of the column grade is converted to int.
Solutions
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import pandas as pd def changeDatatype(students: pd.DataFrame) -> pd.DataFrame: students['grade'] = students['grade'].astype(int) return students