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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:

def _claskey(obj, style):
    '''Wrap an old- or new-style class object.
    '''
    i =  id(obj)
    k = _claskeys.get(i, None)
    if not k:
        _claskeys[i] = k = _Claskey(obj, style)
    return k