You are running a Python script that is supposed to write data to an open file, but discover that the file contents are being erased each time the script runs. What is most likely the issue?

Question

Answer

The file was opened using a mode string other than 'a'.

Answer

The file is erased when the script uses the close() method.

Answer

The file must be opened using a mode string of 'rw'.

Answer

The file is truncated by default with the write() method.

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You are running a Python script that is supposed to write data to an open file, ...

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