Debugging Logic - Steps for Learners

When to use 

If you have written code but 

1. On run code, output doesn't match the expected output 

2. On submit, test cases fail

How to use

Step 1

Read out and explain the problem statement and sample input/output like you are explaining it to someone who doesn't have context on the problem

Step 2

Read through each line of code, line by line, and explain what each line does to implement the problem statement

Step 3

Use the visualiser below to check the value of variables at each line of code and confirm these are as expected 

Visualiser link: Visualiser

To use the visualiser (Visualiser Demo)

1. Paste your code in the visualiser

2. Ensure there are no errors (this might include calling the function)

3. Go line by line on the visualiser and observer the values of variables closely