[Solved] What will be the output of this code if 'test.txt' contains the lines: 'cat', 'dog', 'bird'? with open('test.txt', 'r') as f: lines = f.readlines() print(lines[1].strip()) | Python

Python - File Handling Fundamentals

What will be the output of this code if 'test.txt' contains the lines: 'cat', 'dog', 'bird'?

with open('test.txt', 'r') as f:
    lines = f.readlines()
    print(lines[1].strip())

Abird

Bcat

Cdog

DIndexError

Step-by-Step Solution

Solution:

Step 1: Understand readlines() output
readlines() returns a list of lines including newline characters.
Step 2: Access second line and strip newline
lines[1] is 'dog\n', strip() removes '\n', so output is 'dog'.
Final Answer:
dog -> Option C
Quick Check:
lines[1].strip() = 'dog' [OK]

Quick Trick: Indexing starts at 0; strip() removes newline [OK]

Common Mistakes:

MISTAKES

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What will be the output of this code if 'test.txt' contains the lines: 'cat', 'dog', 'bird'?