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How do you change the file position to an offset value from the start? fp.seek(offset, 0) fp.seek(offset, 1) fp.seek(offset, 2) None of the above

Question

How do you change the file position to an offset value from the start?

fp.seek(offset, 0)
fp.seek(offset, 1)
fp.seek(offset, 2)
None of the above

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Solution

The correct answer is fp.seek(offset, 0).

Here's the step-by-step explanation:

  1. fp.seek(offset, 0) is used to change the file position in Python. fp is the file pointer you're working with and seek() is a method that sets the file's current position.

  2. The seek() function takes two parameters - offset and from_what. The offset is the number of positions to move forward from the from_what position.

  3. If from_what is 0, it means the offset is calculated from the beginning of the file. So fp.seek(offset, 0) will move the position offset number of positions from the start of the file.

  4. fp.seek(offset, 1) would move the position from the current position and fp.seek(offset, 2) would move the position from the end of the file. Therefore, these are not correct if you want to move the position from the start of the file.

So, the correct way to change the file position to an offset value from the start is fp.seek(offset, 0).

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