Answer:
See Explanation
Explanation:
The question would be best answered if there are options to select from; since none is provided, I will provide a general explanation.
From the question, we understand that, you are to test for Jo Wen.
Testing your program with this name will crash the program, because Jo has 2 letters (3 letters are required), and Wen has 3 letters (4 letters are required)
So, the step that needs to be revisited is when the username is generated.
Since the person's name cannot be changed and such person will not be prevented from registering on the platform, you need to create a dynamic process that handles names whose lengths are not up to the required length.
The OS shell allows access to the operating system services
