Certified Associate in Python Programming (PCAP) — Question 4

Python's built in function named open () tries to open a file and returns:

Answer options

• A. an integer value identifying an opened file
• B. an error code (0 means success)
• C. a stream object
• D. always None

Correct answer: C

Explanation

The correct answer is C because the open() function returns a stream object that allows for reading or writing to the file. Options A and B are incorrect as open() does not return an identifier or an error code, and option D is wrong because the function does not return None when successful.