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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 get_as_float_with_default(self, key, default_value):
 """ Converts map element into a float or returns default value if conversion is not possible. :param key: an index of element to get. :param default_value: the default value :return: float value ot the element or default value if conversion is not supported. """

        value = self.get(key)
        return FloatConverter.to_float_with_default(value, default_value)