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Which of the following is a valid purpose of the __init__.py file in a Python package?

easy🧠 Conceptual Q2 of Q15
Python - Modules and Code Organization
Which of the following is a valid purpose of the __init__.py file in a Python package?
ATo replace the main.py file in the package
BTo store executable scripts only
CTo define classes for the package exclusively
DTo initialize package-level variables or imports
Step-by-Step Solution
Solution:
  1. Step 1: Role of __init__.py in packages

    The file can run initialization code and import submodules.
  2. Step 2: Valid purposes

    It is used to set up package-level variables or imports, not just scripts or classes.
  3. Final Answer:

    To initialize package-level variables or imports -> Option D
  4. Quick Check:

    Initialization role = True [OK]
Quick Trick: Use __init__.py to set up package imports [OK]
Common Mistakes:
MISTAKES
  • Thinking it only stores scripts
  • Confusing with main.py
  • Assuming it only defines classes

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