What will be the output of this code?

medium📝 Predict Output Q4 of 15

Python - Context Managers

with open('sample.txt', 'w') as f:
    f.write('Hi')
print(f.closed)

AError: f is not defined

BTrue

CFalse

DNone

Step-by-Step Solution

Solution:

Step 1: Understand the scope of the file object
The variable f exists outside the with block but the file is closed after the block.
Step 2: Check the closed attribute
After the block, f.closed is True because the file is closed automatically.
Final Answer:
True -> Option B
Quick Check:
File closed after with block = True [OK]

Quick Trick: File closed attribute is True after with block ends [OK]

Common Mistakes:

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