a = range(3, 13, 3)

b = tuple(a)

print(b)

a = (3, 6, 9)

a.append(12)

print(a)

p = [[3, 6], [9, 12]]

q = []

for i in range(2):

    for j in range(2):

            q.append(p[i][j])

print(tuple(q))

h = {3, 3, 6, 6, 9} 

print(tuple(h))