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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 convert_radian(coord, *variables):
 """Convert the given coordinate from radian to degree Parameters coord: xr.Variable The variable to transform ``*variables`` The variables that are on the same unit. Returns ------- xr.Variable The transformed variable if one of the given `variables` has units in radian"""

    if any(v.attrs.get('units') == 'radian' for v in variables):
        return coord * 180. / np.pi
    return coord