Flask Fundamentals: Test Your Python Web Knowledge! Quiz

1. Basic Flask Import

   Which code snippet correctly imports the Flask class from the flask library?

   1. A. from flask import Flask
   2. B. import Flask from flask
   3. C. from Flask import flask
   4. D. import flask.Flask
   5. E. from flask import flaskk

2. Running the Flask App

   Which of the following is the correct way to run a Flask app if your app variable is named 'app'?

   1. A. app.run()
   2. B. Flask.run()
   3. C. flask.app.run()
   4. D. run(app)
   5. E. run_flask(app)

3. Route Decoration

   What is the correct decorator to define a route for the URL '/' in Flask?

   1. A. @app.route('/')
   2. B. $$route('/')
   3. C. @route.app('/')
   4. D. route:app('/')
   5. E. @@app.route('/')

4. Returning Responses

   If a function returns 'Hello, World!' in Flask, what is the correct function signature for the route?

   1. A. def hello(): return 'Hello, World!'
   2. B. func hello(): return 'Hello, World!'
   3. C. def hello: return 'Hello, World!'
   4. D. hello() =u003E 'Hello, World!'
   5. E. function hello(): return 'Hello, World!'

5. Dynamic Routes

   How can you define a route that takes a username as a string variable in the URL?

   1. A. @app.route('/user/u003Cusernameu003E')
   2. B. @app.route('/user/[username]')
   3. C. @app.route('/user/{username}')
   4. D. @app.route('/user/username')
   5. E. @app.route('/user/$username')

6. HTTP Methods

   To make a Flask route accept both GET and POST methods, which parameter should be added to the @app.route decorator?

   1. A. methods=['GET', 'POST']
   2. B. allow=['GET, POST']
   3. C. verbs=['GET','POST']
   4. D. http_methods=['GET','POST']
   5. E. allowed=['GET', 'POST']

7. Accessing Form Data

   Which method do you use to retrieve submitted form data called 'email' in a Flask view?

   1. A. request.form['email']
   2. B. request.get('email')
   3. C. req.form['email']
   4. D. form.email
   5. E. request.email

8. Debug Mode

   What argument should you pass to app.run() to enable Flask's debug mode?

   1. A. debug=True
   2. B. run_debug=True
   3. C. enable_debug=True
   4. D. flask_debug=True
   5. E. debugg=True

9. Template Rendering

   Which function should you use to render an HTML template called 'index.html'?

   1. A. render_template('index.html')
   2. B. renderHTML('index.html')
   3. C. display_template('index.html')
   4. D. flask.render_html('index.html')
   5. E. app.show_template('index.html')

10. URL Building

    If you have a Flask view function named 'profile', which built-in function generates its URL?

    1. A. url_for('profile')
    2. B. build_url('profile')
    3. C. make_url('profile')
    4. D. profile.url()
    5. E. create_url('profile')