Modules and Packages – Multiple Choice Questions (MCQs)

1. 37. If a module `my_module` has `__all__ = ['func1', 'var_a']`, what will be imported by `from my_module import *`?

   • A. All names in the module
   • B. Only `func1` and `var_a`
   • C. All names except those starting with '_'
   • D. Nothing

2. 38. How can you find the location of an installed module?

   • A. Using the `locate` command in the terminal
   • B. Using the `inspect` module or the `__file__` attribute of the module
   • C. By checking the `sys.path` manually
   • D. By looking in the Python installation directory

3. 39. What is the purpose of namespace packages in Python?

   • A. To allow splitting a single logical package across multiple directories
   • B. To improve import speed
   • C. To hide internal modules
   • D. To create platform-specific packages

4. 40. How are namespace packages typically created?

   • A. By including an `__init__.py` file in each directory
   • B. By omitting the `__init__.py` file in each directory
   • C. By using a special declaration in a setup file
   • D. It's not possible to create namespace packages explicitly

5. 41. What is the order in which Python searches for modules?

   • A. Built-in modules -> `sys.path`
   • B. Current directory -> Built-in modules -> `sys.path`
   • C. `sys.path` -> Built-in modules -> Current directory
   • D. Online repositories -> Local directories -> Built-in modules

6. 42. What is the purpose of the `reload()` function in the `importlib` module?

   • A. To import a module for the first time
   • B. To force Python to reload a module that has already been imported
   • C. To uninstall a module
   • D. To check if a module is installed

7. 43. When might you need to use `reload()`?

   • A. When a module's source code has been changed after it was initially imported
   • B. To improve the performance of module loading
   • C. To resolve import errors
   • D. To change the alias of an imported module