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Why is it recommended to use the 'with' statement when reading files line by line in Python?

hard🧠 Conceptual Q10 of Q15
Python - File Reading and Writing Strategies
Why is it recommended to use the 'with' statement when reading files line by line in Python?
AIt reads all lines faster
BIt automatically closes the file after the block
CIt converts lines to strings
DIt prevents syntax errors
Step-by-Step Solution
Solution:

  1. Step 1: Understand 'with' statement purpose

    'with' manages resources, ensuring file closes automatically after use.

  2. Step 2: Benefits of automatic file closing

    This prevents resource leaks and errors from forgetting to close files.

  3. Final Answer:

    It automatically closes the file after the block -> Option B

  4. Quick Check:

    'with' ensures safe file closing = B [OK]
Quick Trick: Use 'with' to auto-close files safely [OK]
Common Mistakes:
MISTAKES
  • Thinking it speeds reading
  • Assuming it changes data type
  • Believing it fixes syntax errors

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