import torch list_2 = [ [127, 128, 3, 4, 5, 6], [1, 2, 3, 4, 5, 6], [1, 2, 3, 4, 5, 6], ] t2 = torch.tensor(list_2) # [-128 - 127] print(t2.int()) print(t2.double()) print(t2.double().dtype)