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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 refresh_frozen_cell(self, key):
 """Refreshes a frozen cell"""


        code = self.grid.code_array(key)
        result = self.grid.code_array._eval_cell(key, code)
        self.grid.code_array.frozen_cache[repr(key)] = result