5.5 - Nested Loops
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Practice Questions
Test your understanding with targeted questions
What is the output of the following code?
💡 Hint: Count how many times the inner loop runs for each iteration of the outer loop.
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.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What are nested loops?
💡 Hint: Think about how you work with multi-dimensional data.
True or False: The inner loop runs completely for each iteration of the outer loop.
💡 Hint: Consider what happens with the execution flow in a nested structure.
1 more question available
Challenge Problems
Push your limits with advanced challenges
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.
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.
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