Bug in Chart Rendering Fixed: Units and Colors Now Display Correctly

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A bug caused charts to incorrectly display units and colors by concatenating them without proper formatting. The issue manifested as errors like '4200subscribers' and misplacing currency symbols. Developers resolved it by creating a function to correctly format values with their units based on three distinct categories. Additionally, a color named 'black' was incorrectly rendered as an invisible dark grey, which has now been fixed. These corrections are now live on the platform's practice pages.

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