Practice Correctness And Efficiency Issues (13.2.3) - Breaking out of a loop
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Correctness and Efficiency Issues

Practice - Correctness and Efficiency Issues

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What type of loop in Python is used to iterate over a list?

💡 Hint: Think about which loop directly uses elements from a collection.

Question 2 Easy

What does the break statement do in a loop?

💡 Hint: Remember it is used to exit prematurely.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What will happen if you use the index method on a value that is not in the list?

Returns None
Raises an error
Returns -1

💡 Hint: Think about Python's error handling mechanisms.

Question 2

True or False: The else block in a loop only runs if the loop terminates naturally without a break.

True
False

💡 Hint: Consider when the else logic is executed.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Create a function that finds the first even number in a list of integers and uses breaks to improve efficiency.

💡 Hint: What condition would tell you to stop checking further?

Challenge 2 Hard

Analyze the following code for finding an element in a sorted list and discuss its efficiency: 'def find_element(lst, target): for i, value in enumerate(lst): if value == target: return i return -1'.

💡 Hint: Consider the properties of sorted lists.

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