PermissionError: [Errno 13] Permission denied: 'D:/数据分析/寒假任务/暑期任务/数据分析题目/数据分析招新题目/task1-1A.csv'

This error message indicates that the user running the code does not have permission to access or modify the file "task1-1A.csv" located at "D:/数据分析/寒假任务/暑期任务/数据分析题目/数据分析招新题目/".

To resolve this issue, you can try the following solutions:

1. Check if the file is currently being used by another program. If so, close the program and try again.

2. Check if the file has read-only permissions. If so, change the permissions to allow the user to modify the file.

3. Check if the file is locked or encrypted. If so, unlock or decrypt the file before attempting to modify it.

4. Run the code as an administrator or with elevated privileges to gain access to the file.

5. If none of the above solutions work, try copying the file to a different location or renaming the file to a different name and see if that resolves the issue.