def get_as_nullable_float(self, key):
        """
        Converts map element into a float or returns None if conversion is not possible.

        :param key: an index of element to get.

        :return: float value of the element or None if conversion is not supported.
        """
        value = self.get(key)
        return FloatConverter.to_nullable_float(value)
def get_as_nullable_float ( self , key ) : value = self . get ( key ) return FloatConverter . to_nullable_float ( value )
Converts map element into a float or returns None if conversion is not possible.

        :param key: an index of element to get.

        :return: float value of the element or None if conversion is not supported.