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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 example_lab_to_xyz():
 """ This function shows a simple conversion of an Lab color to an XYZ color. """


    print("=== Simple Example: Lab->XYZ ===")
    # Instantiate an Lab color object with the given values.
    lab = LabColor(0.903, 16.296, -2.22)
    # Show a string representation.
    print(lab)
    # Convert to XYZ.
    xyz = convert_color(lab, XYZColor)
    print(xyz)
    print("=== End Example ===\n")