Draw a stack: We start with an empty stack and then execute the following commands: push 4 push 7 pop push 5 push 5 push 8 push 7 push 8 pop pop pop push 7 push 6 pop pop push 8
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Q: stack
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Draw a stack:
We start with an empty stack and then execute the following commands:
push 4
push 7
pop
push 5
push 5
push 8
push 7
push 8
pop
pop
pop
push 7
push 6
pop
pop
push 8
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- Given an empty stack menuItems, what will be the result of the following operations? StackPush(menuItems, item Pizza)StackPush(menuItems, item Chips)StackPush(menuItems, item Nachos)StackPush(menuItems, item Tea)print(StackPop(menuItems))Given an empty stack menuItems, what will be the result of the following operations? StackPush(menuItems , item Pizza)StackPush(menuItems , item Chips)StackPush(menuItems , item Nachos)StackPush(menuItems , item Tea)print(StackPop(menuItems)) Group of answer choices Tea Nachos Chips Pizza Pizza Tea Pizza Chips Nachos TeaWhat happens if one of the resources in a stack is unable to be created?
- Write a program that will read a string and display the string in reverse order. Use the codesnippet given below to solve the problem.Hint. Push each character of a string onto the stack and then pop and display each character from the stack.import osclass Stack: def __init__(self, size): self.stack = [0] * size self.top = 0 self.size = size def push(self,item): if (self.top < self.size): self.stack[self.top] = item self.top += 1 else: print("Stack Overflow") def pop(self):if (self.top > 0):self.top -= 1return self.stack[self.top]else:print("Stack Underflow")def is_empty(self):return (self.top == 0)def is_full(self):return (self.top == self.size)def makenull(self):self.top = 0def peek(self):if (self.top > 0):return self.stack[self.top - 1]else:print("Stack Underflow")string = input("Enter a string: ")# write code here to display the string in reverse order Sample Run:Enter a string:…in java starting with an empty stack mimic the functionality of the back and forward button on modern browsers that is, at any point that the stack is not empty,allow a back function to display to previous page.also if you viewing a back page allow a forward button to go to the forward pages stack =[] go to page 1 - display page 1 - stack [page 1] go to page 2 - display page 2 -stack [page1,page 2] go back- display 1 - stack[ page1] go forward - display2 - [page 1 ,page 2] go to page 5- display page 5 -stack[page1,[age2,page5]Create a TestStack project. Add a Stack class with all of the methods implemented and commented (constructor, push, pop, is empty, clear, peek, toString). Create a TestStack class with main(). main() should use your Stack class to do one of the following: OPTION A) Use your stack class to reverse a user inputted string. A palindrome is a word that reads the same backwards as it does forwards. For example, madam is a palindrome, hello is not. Use your stack class to test if an input string is a palindrone or not. OPTION B) Use your new Stack to add a function that checks for balanced parenthese in an equation. Use these three equations, plus one of your own to test your code. ((3^2 + 8)*(5/2))/(2+6) ((3^2 + 8)*(5/2))/(2+6)) (((3^2 + 8)*(5/2)/(2+6) When encountering a left parenthese, push it on the stack. Pop one off when you encounter a right parenthese. Return true or false depending if parentheses are balanced or not (stack is empty after last right parenthese causes a…
- The following operations are performed on a stack:PUSH A, PUSH B, POP, PUSH C, PUSH D, POP, PUSH E, POP, POP, PUSH FWhat does the stack contain after the PUSH F?a. Fb. A B C D E Fc. A C Fd. A Fe. none of the above.In C++, Write a program which is menudriven ( i) Push, ii) POP, iii) Peek iv) Print). It will create a stack ofinteger type data. You have to implement the following operations.a. Push (Insert a data to the stack)b. Pop (Print the data at the TOP and remove thedata)c. Peek (Print the data at the TOP)d. Print (Print the whole stack)Create a graphical application that provides a button for pushand pop from a stack, a text field to accept a string as input forpush, and a text area to display the contents of the stack aftereach operation.
- What takes place if it is not possible to construct a resource that is part of a stack?The Programming Example, Converting a Number from Binary to Decimal, uses recursion to convert a binary number into an equivalent decimal number. Write a program that uses a stack to convert a binary number into an equivalent decimal number.1. create a Python stack consisting of four (4) book titles entered by the user. Pop the stack's elements one by one; each popped element will be added to a queue. Then, print the content of the queue. Screenshot your code and output then upload the images to this Dropbox. Sample output: Enter four book titles. Book 1: Ibong Adarna Book 2: Florante at Laura Book 3: Ilustrado Book 4: ABNKKBSNPLAko?! New order of books: [ABNKKBSNPLAko?!, Ilustrado, Florante at Laura, Ibong Adarna] 2. Based on the tree in the image, determine the parent nodes, leaf nodes, and siblings.