Question: Assume the file test - file.txt exists. The statement open ( ' test - file.txt ' ) returns one of the following: Select one: None

Assume the file test-file.txt exists. The statement open('test-file.txt') returns one of the
following:
Select one:
None
cross out
an instance of str class
cross out
an instance of_io.TextlOWrapper class
cross out
none of the above
cross out
Assume the file test-file.txt exists. The statement open('test-file.txt') returns one of

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