Don't allow for commas

[nus-pe-bot]

Don't allow for commas in the price, can be confusing for a user since you accept up to 10,000 and not stated in the user guide that it is not allowed

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_{[original: nus-cs2113-AY2223S1/pe-interim#785] [original labels: severity.Low type.FunctionalityBug]}

[jingwei55]

Team's Response

As stated in the user guide:

There are no commas stated in the price input. Also, the error message already stated that price is supposed to be a float, and in Java context a float only accepts the '.' symbol aside from numbers.

Duplicate status (if any):

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