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Which method is called first when entering a with block?

easy🧠 Conceptual Q2 of Q15
Python - Context Managers
Which method is called first when entering a with block?
A__exit__
B__enter__
C__init__
D__call__
Step-by-Step Solution
Solution:

  1. Step 1: Recall the context manager protocol

    The with statement calls __enter__ when entering the block to set up the resource.

  2. Step 2: Understand method order

    __exit__ is called after the block finishes, so it is not first.

  3. Final Answer:

    __enter__ -> Option B

  4. Quick Check:

    First method called = __enter__ [OK]
Quick Trick: Enter calls __enter__, exit calls __exit__ [OK]
Common Mistakes:
MISTAKES
  • Confusing __enter__ with __exit__
  • Thinking __init__ is called by with

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