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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 execute(self, parameters: dict = None):
 """Executes expression with passed parameters and returns result"""

        try:
            parameters = {} if parameters is None else parameters
            return eval(self._compiled_code, parameters, {})
        except:
            info = exc_info()
            error = CompilationError('Error occurred in expression execution', self.code)
            error.add_cause(info[1])
            raise error from info[1]