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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 value(self, view, template=None):
 """Get a dict with the same keys as the template and values validated according to the value types. """

        out = AttrDict()
        for key, typ in self.subtemplates.items():
            out[key] = typ.value(view[key], self)
        return out