Python questions: 1) When using a stack to evaluate the balance of brackets and parentheses in an expression, what is the final step? a. at the end of the expression, if a final closing bracket is found, the brackets balance b. at the end of the expression, if the stack is empty, the brackets balance C. at the end of the expression, if the stack is full, the brackets balance d. at the end of the expression, if the stack is empty, the brackets do not balance 2)If the current state of the stack is [x, y, z, t, r] where x is the bottom of the stack and r is the top of the stack, what is the state of the stack and the value returned after two pops operation a. the state is [z, t, r]; x, y are returned b. the state is [x, y]; z, t, r are returned C. the state is [y, z]; x, t, r are returned d. the state is [x, y, z]; t, r are returned 3)What is the resulting postfix expression from the following infix expression? 12 + 5 * 2 - 3 a. 12 5 2^ * +3 - b. 12 5 +2 3^ * - C. 12 5 +2^ * 3 - d. 12 5 2 + 3 - *

Python questions: 1) When using a stack to evaluate the balance of brackets and parentheses in an expression, what is the final step? a. at the end of the expression, if a final closing bracket is found, the brackets balance b. at the end of the expression, if the stack is empty, the brackets balance C. at the end of the expression, if the stack is full, the brackets balance d. at the end of the expression, if the stack is empty, the brackets do not balance 2)If the current state of the stack is [x, y, z, t, r] where x is the bottom of the stack and r is the top of the stack, what is the state of the stack and the value returned after two pops operation a. the state is [z, t, r]; x, y are returned b. the state is [x, y]; z, t, r are returned C. the state is [y, z]; x, t, r are returned d. the state is [x, y, z]; t, r are returned 3)What is the resulting postfix expression from the following infix expression? 12 + 5 * 2 - 3 a. 12 5 2^ * +3 - b. 12 5 +2 3^ * - C. 12 5 +2^ * 3 - d. 12 5 2 + 3 - *

C++ for Engineers and Scientists

4th Edition

ISBN:9781133187844

Author:Bronson, Gary J.

Publisher:Bronson, Gary J.

Chapter5: Repetition Statements

Section5.4: For Loops

Problem 7E: (Conversion) Write a C++ program to convert kilometers/hr to miles/hr. The program should produce a...

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