Replace last value of Tuples in a ListΒΆ

Replace last value of Tuples in a List.
Sample list:
[(10, 20, 40), (40, 50, 60), (70, 80, 90)]
LOT = [
        (10, 20, 40),
        (40, 50, 60),
        (70, 80, 90),
      ]
T = [t[:-1] + (100,) for t in LOT]
print(T)

Output:

[(10, 20, 100), (40, 50, 100), (70, 80, 100)]