Developing AI Applications with Python and Flask | Week 1

Course Name: Developing AI Applications with Python and Flask

Course Link: Developing AI Applications with Python and Flask

These are Developing AI Applications with Python and Flask Week 1 Answer Coursera Quiz

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Module 1 Practice Quiz: Python Coding Practices and Packaging Concepts

Q1. Identify the file where you add code to reference the modules in the package?

• __main__.py
• myproject.py
• __name__.py
• __init__.py

Answer: __init__.py

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Q2. Which of the following is a best practice when creating function names to write test cases?

• test
• function.test
• Function
• _test

Answer: test

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These are Developing AI Applications with Python and Flask Week 1 Answer Coursera Quiz

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Q3. Which of the following is a valid method name based on PEP8 guidelines?

• GET_USER_NAME()
• GetUserName()
• get_user_name()
• getUserName()

Answer: get_user_name()

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Q4. Which of the following is required to package a Python module?

• The methods in the Python module should be defined as public methods
• import sys as the first line of code in the Python script
• A folder with server.py
• The Python module should be packaged in a directory with __init__.py in the same directory

Answer: The Python module should be packaged in a directory with __init__.py in the same directory

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These are Developing AI Applications with Python and Flask Week 1 Answer Coursera Quiz

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Q5. Which of the following is TRUE about web apps and APIs? (Select two)

• All web apps are APIs, but not all APIs are web apps.
• Web apps is a generic term that includes “online” or web-based and “offline” apps.
• Both web apps and APIs link two system parts.
• All APIs allow users to access apps without installing them on their local systems.

Answer: All web apps are APIs, but not all APIs are web apps.
Both web apps and APIs link two system parts.

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These are Developing AI Applications with Python and Flask Week 1 Answer Coursera Quiz

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Module 1 Graded Quiz: Python Coding Practices and Packaging Concepts

Q1. Which of the following statements are true about web apps? (Select two)

• Web apps help link offline apps.
• All web apps are APIs.
• Web apps is a more generic term given to all forms of apps that create a link between any two parts of a system.
• Web apps support CRUD actions.

Answer: All web apps are APIs.
Web apps support CRUD actions.

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Q2. In which testing phase do you verify that the application functions within the larger framework?

• Unit testing
• User testing
• Performance testing
• Integration testing

Answer: Integration testing

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These are Developing AI Applications with Python and Flask Week 1 Answer Coursera Quiz

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Q3. Which of the following statements is TRUE about PyLint?

• PyLint is a Python IDE.
• PyLint is a Python code compiler.
• PyLint is a Python-based package creation tool.
• PyLint is a Python static code analysis tool.

Answer: PyLint is a Python static code analysis tool.

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Q4. Which of the following is the right way to name constants based on the PEP8 guidelines?

• dateOfBirth
• Date_Of_Birth
• DATE_OF_BIRTH
• date_of_birth

Answer: DATE_OF_BIRTH

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These are Developing AI Applications with Python and Flask Week 1 Answer Coursera Quiz

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Q5. When gathering requirements for an app to manage events, the customer mentions that the project’s objective is to improve customer retention.
Which of the following requirements describes the above scenario?

• Constraints
• Business requirements
• Technical requirements
• User requirements

Answer: Business requirements

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Q6. Why is it a good practice to build a unit testing class?

• To call unit tests from a single class object
• To add one or more assertion methods
• To import the unittest library
• To check if functions are returning the correct values

Answer: To call unit tests from a single class object

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These are Developing AI Applications with Python and Flask Week 1 Answer Coursera Quiz

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Q7. For this question, review the partial module code and the unit test code:
When the unit test is executed, the test fails. Which of the following code statement will you modify for the unit test to pass?

• from math import add
• self. assertEqual (add (6, 4), 10)
• self. assertEqual (subract (6, 4), 3)
• def test_subract(self)

Answer: self. assertEqual (subract (6, 4), 3)

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Q8. Consider the following code in the file my_code.py a directory named mypackage with init.py.
def print_hello():
print(“Hello”)
Which of the following two statements are the right ways to access the function in the method?

• from mypackge import my_code
  my_code.print_hello ()
• import my_code
  print_hello ()
• from mypackage import print_hello
  print_hello ()
• from mypackage.my_code import print_hello
  print_hello ()

Answer:

• from mypackge import my_code
  my_code.print_hello ()
• from mypackage.my_code import print_hello
  print_hello ()

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These are Developing AI Applications with Python and Flask Week 1 Answer Coursera Quiz

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Q9. Which of the following is the general structure for testing a package?

• import {package_name}
• run {package_name}. {module_name}. {function_name} (parameters)
• {package_name} (parameters)
• {package_name}. {module_name}. {function_name} (parameters)

Answer: {package_name}. {module_name}. {function_name} (parameters)

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Q10. Which of the following is the correct folder structure for the package “MyPackage”?

• MyPackage -> module_1-> module_1.py MyPackage -> module_2-> module_2.py
• MyPackage -> module_1.py, module_2.py, __init__.py
• MyPackage -> module_1.py, module_2.py
• MyPackage -> module_1.py, module_2.py, init.py

Answer: MyPackage -> module_1.py, module_2.py, __init__.py

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These are Developing AI Applications with Python and Flask Week 1 Answer Coursera Quiz

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