Modules and Packages – Multiple Choice Questions (MCQs)

1. 1. What is a module in Python?

   • A. A small program
   • B. A single file containing Python code
   • C. A collection of related packages
   • D. A keyword used for loops

2. 2. Which keyword is used to import a module in Python?

   • A. import
   • B. include
   • C. using
   • D. require

3. 3. How do you import a module named 'math' in Python?

   • A. import math
   • B. include math
   • C. using math
   • D. require math

4. 4. Once a module 'math' is imported, how do you access the square root function?

   • A. math.sqrt()
   • B. sqrt()
   • C. math->sqrt()
   • D. math:sqrt()

5. 5. How do you import a specific function 'sqrt' from the 'math' module?

   • A. import sqrt from math
   • B. from math import sqrt
   • C. import math.sqrt
   • D. include math.sqrt

6. 6. If you import `from math import sqrt`, how do you call the square root function?

   • A. math.sqrt()
   • B. sqrt()
   • C. math->sqrt()
   • D. math:sqrt()

7. 7. How do you import all names from a module 'math'?

   • A. import * from math
   • B. from math import *
   • C. import math.*
   • D. include math.*

8. 8. What is the potential drawback of using `from module import *`?

   • A. It can lead to namespace collisions
   • B. It makes the code run slower
   • C. It only imports built-in functions
   • D. It requires more memory

9. 9. How do you import a module 'my_module' with an alias 'mm'?

   • A. import my_module as mm
   • B. import mm from my_module
   • C. alias my_module as mm
   • D. import my_module(mm)

10. 10. If you import `import my_module as mm`, how do you access a function 'my_function' from it?

    • A. my_module.my_function()
    • B. mm.my_function()
    • C. my_function()
    • D. mm->my_function()

11. 11. What is a package in Python?

    • A. A single file containing Python code
    • B. A directory containing Python module file(s) and an optional `__init__.py` file
    • C. A collection of unrelated modules
    • D. A keyword used for defining classes

12. 12. What is the purpose of the `__init__.py` file in a Python package?

    • A. To mark the directory as a regular package
    • B. To define global variables for the package
    • C. To automatically execute code when the package is imported
    • D. All of the above