Câu 6: PCED-30-02: PCED - Certified Entry-Level Data Analyst with Python

You are writing a function named process_data() to read and process numerical input from a file. The function must: read the file data.txt, attempt to convert the first line into an integer, handle file, conversion, or index-related exceptions, print the value only if no error occurs, and always print a final message after execution. Which implementation correctly and robustly meets all these conditions? Select the best answer.

1. A. Lựa chọn A bằng hình ảnh — đáp án hiện tại
2. B. Lựa chọn B bằng hình ảnh
3. C. Lựa chọn C bằng hình ảnh