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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 draw_uppercase_key(self, surface, key):
 """Default drawing method for uppercase key. Drawn as character key. :param surface: Surface background should be drawn in. :param key: Target key to be drawn. """

        key.value = u'\u21e7' 
        if key.is_activated():
            key.value = u'\u21ea'
        self.draw_character_key(surface, key, True)