Exam PCAP topic 1 question 107 discussion

Actual exam question from Python Institute's PCAP

Question #: 107
Topic #: 1

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, 6 months 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)

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