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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 plantloopfieldlists(data):
 """return the plantloopfield list"""

    objkey = 'plantloop'.upper()
    numobjects = len(data.dt[objkey])
    return [[
        'Name',
        'Plant Side Inlet Node Name',
        'Plant Side Outlet Node Name',
        'Plant Side Branch List Name',
        'Demand Side Inlet Node Name',
        'Demand Side Outlet Node Name',
        'Demand Side Branch List Name']] * numobjects