Show Preview of Constant Values on Hover

[b-simjoo]

Current Behavior:

Currently, when defining constant variables using UPPERCASE naming conventions (as is commonly done to indicate constant values), VS Code does not provide a preview of the variable's value when hovering over it in the code (at least in python). This behavior makes it harder to quickly reference the value of constants, especially in larger files or when refactoring code.
Screenshot:

Requested Behavior:

When hovering over a constant variable (e.g., ALL_BOX_IOU_MERGE), VS Code should display a preview of the constant's value in the tooltip, in addition to its type and other information.
Mockup Example:

When hovering over ALL_BOX_IOU_MERGE, the tooltip could show: