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Python Institute Exam PCAP-31-03 Topic 4 Question 70 Discussion

Actual exam question for Python Institute's PCAP-31-03 exam
Question #: 70
Topic #: 4
[All PCAP-31-03 Questions]

Which of the following statements are true? (Select two answers)

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Suggested Answer: A, B

by Jovita at Jul 17, 2024, 11:19 PM

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Eugene
3 months ago
I'm going with A and C. D is just silly - as if open() would ever return None. That's what try-except blocks are for!
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Dulce
3 months ago
D is definitely wrong. If open() fails, it raises an exception, not returns None. A and C are the way to go.
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Whitley
2 months ago
C) instd, outstd, errstd are the names of pre-opened streams
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Whitley
3 months ago
A) open () is a function which returns an int that represents a physical file handle
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Chara
3 months ago
Haha, I bet the answer is B and C. Who uses open() without the second argument these days? And of course instd, outstd, and errstd are the real MVPs.
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Sherman
2 months ago
instd, outstd, and errstd are definitely important streams.
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Reena
3 months ago
Yeah, open() without the second argument seems outdated.
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Jerry
3 months ago
I think you're right, B and C are the correct answers.
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Mariko
4 months ago
I agree with A and C. But I'm not sure about the second argument to open() being optional. Isn't it required?
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Eden
2 months ago
If invoking open() fails, the value None is returned
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Paola
2 months ago
The second argument to open() is optional
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Justine
3 months ago
C) instd, outstd, errstd are the names of pre-opened streams
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Christene
3 months ago
A) open () is a function which returns an int that represents a physical file handle
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Chandra
4 months ago
A and C seem correct to me. The open() function returns a file handle, not None.
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Ira
3 months ago
That's true. If open() fails, it returns None.
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Meghan
3 months ago
Yes, you're right. The second argument in open() is optional.
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Cherry
4 months ago
I think A and C are correct. The open() function does return a file handle.
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Ernestine
4 months ago
I agree with Miss, A) and C) seem to be the correct statements.
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Darrin
4 months ago
I think B) and D) are the correct answers.
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Miss
4 months ago
A) and C) are true.
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