Practice Yield From (3.4.2) - Chapter 3: Generators and Iterators

Practise this section

8 questions

Flashcard drill
2 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
Sign up to start the exercise
Quiz
2 questions · about 1 min · pass mark 70%. Hints available.
Sign up to start the quiz

6 sample questions

Question 1.
Explain the purpose of 'yield from'.
Show hintHide hint
Think about how nesting generates benefits.
Question 2.
What does yield from return?
Show hintHide hint
Consider what happens when you loop through a collection.
3Question 3.
What does the yield from statement do?
- Delegates iteration to another generator
- Stops the generator
- Returns None
Show hintHide hint
Think about how it simplifies nested generators.
4Question 4.
True or False? yield from can only be used with lists.
- True
- False
Show hintHide hint
Consider all possible data structures that can be iterated.
Question 5.
Create a generator that accepts an iterable and returns only the even numbers while using yield from.
Show hintHide hint
Consider which criteria must be satisfied to yield a value.
Question 6.
Using yield from, create a pipeline that takes a list, squares the numbers, then filters for even results.
Show hintHide hint
You will need to combine multiple functions into one.

4 more questions in this section. Enroll free to practise them all.