You want to create a package shapes with subpackage polygons. You want importing shapes to automatically import polygons as well. How should you modify shapes/init.py to achieve this?

hard📝 Application Q15 of 15

Python - Modules and Code Organization

You want to create a package shapes with subpackage polygons. You want importing shapes to automatically import polygons as well. How should you modify shapes/__init__.py to achieve this?

AAdd <code>import shapes.polygons</code> inside <code>shapes/__init__.py</code>

BAdd <code>import polygons</code> inside <code>shapes/__init__.py</code>

CAdd <code>from . import polygons</code> inside <code>shapes/__init__.py</code>

DLeave <code>shapes/__init__.py</code> empty; Python imports subpackages automatically

Step-by-Step Solution

Solution:

Step 1: Understand relative imports in packages
To import a subpackage inside a package's __init__.py, use relative import syntax like from . import polygons.
Step 2: Avoid absolute import inside the package
Using import polygons or import shapes.polygons may cause errors or circular imports; relative import is preferred.
Step 3: Confirm that empty __init__.py does not import subpackages
Python does not import subpackages automatically; explicit import is needed.
Final Answer:
Add from . import polygons inside shapes/__init__.py -> Option C
Quick Check:
Use relative import from . import polygons = A [OK]

Quick Trick: Use relative import from . import subpackage in __init__.py [OK]

Common Mistakes:

Using absolute import inside __init__.py
Expecting automatic subpackage import
Forgetting to add __init__.py in subpackage

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You want to create a package shapes with subpackage polygons. You want importing shapes to automatically import polygons as well. How should you modify shapes/__init__.py to achieve this?

Step 1: Understand relative imports in packages

Step 2: Avoid absolute import inside the package

Step 3: Confirm that empty __init__.py does not import subpackages

Final Answer:

Quick Check:

Want More Practice?

You want to create a package shapes with subpackage polygons. You want importing shapes to automatically import polygons as well. How should you modify shapes/init.py to achieve this?

Step 3: Confirm that empty `init.py` does not import subpackages