sum_of_lists = [1, 5, 7] + [2, 4, 6]
print(sum_of_lists)

sum_of_mixed_lists = [1, 2, 3] + ['a', 'b', 'c']
print(sum_of_mixed_lists)

multiplication_of_lists = ['sarma', 'prebranac', 'riba'] * 3
print(multiplication_of_lists)