Q1: Please operate your keys sequentially by Stack and Queue and show each step by tables. 1).push(x0), push(x1), push(x2), isEmpty(), peek(), pop(), pop(), push(x3), push(x4), size(), pop(), is Empty(); (10%) 2).

enqueue(x5), enqueue(x6), enqueue (x7), isEmpty(), front (), dequeue(), dequeue (), enqueue (x8), enqueue (x9), size(), dequeue(), isEmpty(); (10%)/nQ1: Please operate your keys sequentially by Stack and Queue and show each step by tables. 1).push(x0), push(x1), push(x2), isEmpty(), peek(), pop(), pop(), push(x3), push(x4), size(), pop(), is Empty(); (10%) 2). enqueue(x5), enqueue(x6), enqueue (x7), isEmpty(), front (), dequeue(), dequeue (), enqueue (x8), enqueue (x9), size(), dequeue(), isEmpty(); (10%)