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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 predict(abg,date,obs=568):
 """Run GB's predict using an ABG file as input."""

    import orbfit
    import RO.StringUtil
    (ra,dec,a,b,ang) = orbfit.predict(abg,date,obs)
    obj['RA']=ra
    obj['DEC']=dec
    obj['dRA']=a
    obj['dDEC']=b
    obj['dANG']=ang
    return obj