This program illustrates the creation of a stack using values from a deque (when the underlying container is the default one, namely a deque), and from a vector, when the underlying container is a vector. Press Enter to continue ... The stack s1 is created from a deque of 4 values. Press Enter to continue ... Here are the values of s1, in "LIFO" order: Popping: 4 Popping: 3 Popping: 2 Popping: 1 Press Enter to continue ... The stack s2 is created from a vector of 6 values. Press Enter to continue ... Here are the values of s2, in "LIFO" order: Popping: 7 Popping: 5 Popping: 10 Popping: 8 Popping: 9 Popping: 6 Press Enter to continue ...