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Figure 8 shows a Python program that is being developed - AQA - GCSE Computer Science - Question 17 - 2021 - Paper 1
Question 17
Figure 8 shows a Python program that is being developed. It is supposed to calculate and display the highest common factor of two numbers entered by the user. The ... show full transcript
Worked Solution & Example Answer:Figure 8 shows a Python program that is being developed - AQA - GCSE Computer Science - Question 17 - 2021 - Paper 1
Step 1
Step 2
State the line number from the program in Figure 8 which contains the error that stops the program from sometimes working correctly.
Answer
The error is contained in line 5, where the loop condition is count < num1. In this case, it restricts the loop from checking the value num1, which is equal to 4.
Step 3
Describe how the line of code identified in your answer to Question 17.2 should be changed so that the program in Figure 8 will work correctly.
Answer
The line should be changed from while count < num1: to while count <= num1:. This will ensure that the loop runs until count equals the input number, allowing it to correctly identify the highest common factor of 4.