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Exam PCAP topic 1 question 107 discussion

Actual exam question from Python Institute's PCAP
Question #: 107
Topic #: 1
[All PCAP Questions]

What is the expected output of the following code if the file named existing_text_file is a non-zero length text file located inside the working directory?

  • A. the length of the first line from the file
  • B. -1
  • C. the number of lines contained inside the file
  • D. the length of the last line from the file
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Suggested Answer: B 🗳️
by Mokel at April 23, 2022, 6:16 a.m.

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Jos015
1 year ago
Selected Answer: B
try: f = open('file.txt','w') d = f.readline() print(len(d)) f.close() except IOError: print(-1) Read with 'r' try: f = open('file.txt','r') d = f.readline() print(len(d)) f.close() except IOError: print(-1)
upvoted 1 times
...
macxsz
2 years, 6 months ago
Selected Answer: B
answer: B. -1
upvoted 3 times
...
Mokel
2 years, 7 months ago
Shouldn't it be (c)?
upvoted 2 times
macxsz
2 years, 7 months ago
It cant be read because it was open with w
upvoted 4 times
...
...

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