T1 geo 1
    T2 geo 1
    T3 geo 1
    T1 sam 2
    T1 Nat 3
    T2 Nat 3
        i want to remove duplicated names but keep the extra data on seperate column
T3 T2 T1 geo 1
    T1 sam 2
  T2 T1 Nat 3

By: lea

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