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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 set_display_hook(cls, group, objtype, hook):
 """ Specify a display hook that will be applied to objects of type objtype. The group specifies the set to which the display hook belongs, allowing the Store to compute the precedence within each group. """

        cls._display_hooks[group][objtype] = hook