myData=[['a',1,10],['b',2,20],['a',3,30],['a',4,40]]

print(row[0])


if(row[0] not in uniqueLists):

    uniqueLists.append(row)

else:

    duplicatedLists.append(row)

uniqueLists=[['a',1,10],['b',2,20]]

duplicatedLists=[[['a',3,30],['a',4,40]].