Starting out GPA should show 5.0 rather then 0

[nus-se-script]

Description:
When I only have a Zero MC module, my GPA should always start out at 5.0 and not 0.

Steps to Reproduce:

1. Launch the app
2. Add a Zero MC mod add c/ES1000
3. gpa

Expected Result:
It should show that my GPA is 5.0 as I have zero MCs so far and my Cap always starts out with 5

Actual Result:
Prints No countable grades present to tally

Screenshot:

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_{[original: nus-cs2113-AY2324S2/pe-interim#2524] [original labels: type.FeatureFlaw severity.Medium]}

[fungg0]

Team's Response

Under the NUS website, it is mentioned that courses with no assigned unit will be excluded from calculation of GPA. Thus, it will actually be wrong to say you even have a GPA when you have only inputted a 0 MC course. Output of "No countable grades present to tally." does not mean that your GPA is 0, but rather you do not have any courses that contributes to your GPA.

Duplicate status (if any):

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