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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the output of the following code?
💡 Hint: Count how many times the inner loop runs for each iteration of the outer loop.
Question 2
Easy
Write a simple nested loop to print a triangle of numbers with 3 rows.
💡 Hint: The outer loop controls the rows, and the inner loop controls the columns.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What are nested loops?
💡 Hint: Think about how you work with multi-dimensional data.
Question 2
True or False: The inner loop runs completely for each iteration of the outer loop.
- True
- False
💡 Hint: Consider what happens with the execution flow in a nested structure.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Write a function that takes a 2D list (matrix) and returns the sum of all its elements using nested loops.
💡 Hint: You will need to initialize a total variable and use nested loops to iterate through each element.
Question 2
Create a pattern output using nested loops to print a right-angled triangle. For size 5, it should look like:
* ** *** **** *****
💡 Hint: The outer loop controls the rows, and the inner loop will control how many stars to print in each row.
Challenge and get performance evaluation