using LinearAlgebra
M = [1 2 3; 4 5 6; 7 8 9];

t1 = sum(M, dims = 1)
t2 = vec(t1)
t_res = 1 .- t2
println(t1)
println(t2)
println(t_res)

println("-----")
tt2 = transpose(t1)
tt3 = ones(size(M, 1))
tt_res = tt3 - tt2

println(tt2)
println(tt3)
println(tt_res)