The difference between r+ and w+ modes is expressed as?

1. No difference
2. In r+ mode, the pointer is initially placed at the beginning of the file and the pointer is at the end for w+
3. In w+ mode, the pointer is initially placed at the beginning of the file and the pointer is at the end for r+
4. Depends on the operating system

What does CSV stand for?

1. Cursor Separated Variables
2. Comma Separated Values
3. Cursor Separated Values
4. Cursor Separated Version

Which of the following modes is used for both writing and reading from a binary file?

1. wb+
2. w
3. wb
4. w+

Which statement is used to retrieve the current position within the file?

1. fp.seek()
2. fp.tell()
3. fp.loc
4. fp.pos