[Solved] Why is using a context manager preferred over manually opening and closing a file in Python? - Ans: It guarantees the file is closed even if an error occurs | Python

Python - Context Managers

Why is using a context manager preferred over manually opening and closing a file in Python?

AIt prevents the file from being accessed by other programs

BIt allows simultaneous read and write operations

CIt automatically compresses the file contents

DIt guarantees the file is closed even if an error occurs

Step-by-Step Solution

Solution:

Step 1: Understand manual file handling risks
Manually opening and closing files can lead to files remaining open if exceptions occur.
Step 2: Context manager benefits
Context managers ensure files are closed properly even if errors happen.
Final Answer:
It guarantees the file is closed even if an error occurs -> Option D
Quick Check:
Context managers handle exceptions and cleanup [OK]

Quick Trick: Context managers ensure cleanup on errors [OK]

Common Mistakes:

MISTAKES

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