isinstance(object, classinfo)

Returns test


object??
classinfo??

REMARKS
* No prefix required - Core
* Return True if class is a subclass (direct, indirect, or virtual) of classinfo. A class is considered a subclass of itself. classinfo may be a tuple of class objects (or recursively, other such tuples) or a Union Type, in which case return True if class is a subclass of any entry in classinfo. In any other case, a TypeError exception is raised.

?? 

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