def issubclass(C, B): # real signature unknown; restored from __doc__
    """
    issubclass(C, B) -> bool
    
    Return whether class C is a subclass (i.e., a derived class) of class B.
    When using a tuple as the second argument issubclass(X, (A, B, ...)),
    is a shortcut for issubclass(X, A) or issubclass(X, B) or ... (etc.).
    """
    return False