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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 normalizeX(value):
 """ Normalizes x coordinate. * **value** must be an :ref:`type-int-float`. * Returned value is the same type as the input value. """

    if not isinstance(value, (int, float)):
        raise TypeError("X coordinates must be instances of "
                        ":ref:`type-int-float`, not %s."
                        % type(value).__name__)
    return value