{ "data": { "question": { "questionId": "3067", "questionFrontendId": "2884", "categoryTitle": "pandas", "boundTopicId": 2467492, "title": "Modify Columns", "titleSlug": "modify-columns", "content": "
\nDataFrame employees
\n+-------------+--------+\n| Column Name | Type |\n+-------------+--------+\n| name | object |\n| salary | int |\n+-------------+--------+\n
\n\nA company intends to give its employees a pay rise.
\n\nWrite a solution to modify the salary
column by multiplying each salary by 2.
The result format is in the following example.
\n\n\n
Example 1:
\n\n\nInput:\nDataFrame employees\n+---------+--------+\n| name | salary |\n+---------+--------+\n| Jack | 19666 |\n| Piper | 74754 |\n| Mia | 62509 |\n| Ulysses | 54866 |\n+---------+--------+\nOutput:\n+---------+--------+\n| name | salary |\n+---------+--------+\n| Jack | 39332 |\n| Piper | 149508 |\n| Mia | 125018 |\n| Ulysses | 109732 |\n+---------+--------+\nExplanation:\nEvery salary has been doubled.\n", "translatedTitle": "修改列", "translatedContent": "
\nDataFrame employees
\n+-------------+--------+\n| Column Name | Type |\n+-------------+--------+\n| name | object |\n| salary | int |\n+-------------+--------+\n
\n\n一家公司决定增加员工的薪水。
\n\n编写一个解决方案,将每个员工的薪水乘以2来 修改 salary
列。
返回结果格式如下示例所示。
\n\n\n\n
示例 1:
\n\n\n输入:\nDataFrame employees\n+---------+--------+\n| name | salary |\n+---------+--------+\n| Jack | 19666 |\n| Piper | 74754 |\n| Mia | 62509 |\n| Ulysses | 54866 |\n+---------+--------+\n输出:\n+---------+--------+\n| name | salary |\n+---------+--------+\n| Jack | 39332 |\n| Piper | 149508 |\n| Mia | 125018 |\n| Ulysses | 109732 |\n+---------+--------+\n解释:\n每个人的薪水都被加倍。\n", "isPaidOnly": false, "difficulty": "Easy", "likes": 1, "dislikes": 0, "isLiked": null, "similarQuestions": "[]", "contributors": [], "langToValidPlayground": "{\"cpp\": false, \"java\": false, \"python\": false, \"python3\": false, \"mysql\": false, \"mssql\": false, \"oraclesql\": false, \"c\": false, \"csharp\": false, \"javascript\": false, \"typescript\": false, \"bash\": false, \"php\": false, \"swift\": false, \"kotlin\": false, \"dart\": false, \"golang\": false, \"ruby\": false, \"scala\": false, \"html\": false, \"pythonml\": false, \"rust\": false, \"racket\": false, \"erlang\": false, \"elixir\": false, \"pythondata\": false, \"react\": false, \"vanillajs\": false, \"postgresql\": false}", "topicTags": [], "companyTagStats": null, "codeSnippets": [ { "lang": "Pandas", "langSlug": "pythondata", "code": "import pandas as pd\n\ndef modifySalaryColumn(employees: pd.DataFrame) -> pd.DataFrame:\n ", "__typename": "CodeSnippetNode" } ], "stats": "{\"totalAccepted\": \"1.5K\", \"totalSubmission\": \"1.6K\", \"totalAcceptedRaw\": 1458, \"totalSubmissionRaw\": 1580, \"acRate\": \"92.3%\"}", "hints": [ "Considering multiplying each salary value by 2, using a simple assignment operation. The calculation of the value is done column-wise." ], "solution": null, "status": null, "sampleTestCase": "{\"headers\":{\"employees\":[\"name\",\"salary\"]},\"rows\":{\"employees\":[[\"Jack\",19666],[\"Piper\",74754],[\"Mia\",62509],[\"Ulysses\",54866]]}}", "metaData": "{\n \"pythondata\": [\n \"employees = pd.DataFrame([], columns=['name', 'salary']).astype({'name':'object', 'salary':'Int64'})\"\n ],\n \"database\": true,\n \"name\": \"modifySalaryColumn\",\n \"languages\": [\n \"pythondata\"\n ]\n}", "judgerAvailable": true, "judgeType": "large", "mysqlSchemas": [], "enableRunCode": true, "envInfo": "{\"pythondata\":[\"Pandas\",\"
Python 3.10 with Pandas 2.0.2 and NumPy 1.25.0<\\/p>\"]}", "book": null, "isSubscribed": false, "isDailyQuestion": false, "dailyRecordStatus": null, "editorType": "CKEDITOR", "ugcQuestionId": null, "style": "LEETCODE", "exampleTestcases": "{\"headers\":{\"employees\":[\"name\",\"salary\"]},\"rows\":{\"employees\":[[\"Jack\",19666],[\"Piper\",74754],[\"Mia\",62509],[\"Ulysses\",54866]]}}", "__typename": "QuestionNode" } } }