# Module quiz: Modules, packages, libraries and tools

1. **Which of the following is not true about Test-driven development?**
    
    * In TDD, the requirements and standards are highlighted from the beginning.
        
    * The process can also be called Red-Green refactor cycle.
        
    * It ensures that the entire code is covered for testing.
        
    * <mark>Test-driven development can only have one cycle of testing and error correction.</mark>
        
2. **Which of the following is a built-in package for testing in Python?**
    
    * Robot Framework
        
    * PyTest
        
    * <mark>Pyunit or Unittest</mark>
        
    * Selenium
        
3. **Which of the following is an important keyword in Python used for validation while doing Unit testing?**
    
    * <mark>assert</mark>
        
    * yield
        
    * lambda
        
    * async
        
4. **Which of the following ‘V’s’ is not identified as a main characteristic of Big Data?**
    
    * Variety
        
    * <mark>Variability</mark>
        
    * Volume
        
    * Velocity
        
5. **What will be the output of the following piece of code:**
    
    ```python
    from math import pi
    print(math.pi)
    ```
    
    * 3.141592653589793
        
    * ImportError: No module named math
        
    * There will be no output
        
    * <mark>NameError: name ‘math’ is not defined</mark>
        
6. **Which of the following is NOT primarily a package used for Image processing or data visualization?**
    
    * OpenCV
        
    * <mark>Scrapy</mark>
        
    * Seaborn
        
    * Matplotlib
        
7. **\_\_\_\_\_\_\_ is/are the default package manager(s) for installing packages in Python.**
    
    * <mark>pip</mark>
        
    * Built-in Module
        
    * Python Standard Library
        
    * Python Package Index (pypi)
        
8. **If you are working on some codeblock, which of the following can be 'imported' in it from external source?**
    
    *Select all that apply.*
    
    * <mark>Packages</mark>
        
    * <mark>Functions</mark>
        
    * <mark>Modules</mark>
        
    * <mark>Variables</mark>
        

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