Obtain the postfix expression and evaluate it from the given infix expression 9+5/5+9*7
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- Write a function Infix_to_Prefix that takes an arithmetic expression in Infix notation as a parameter and returns the corresponding arithmetic expression with Prefix notation. Note: Question explanation, sample input and output are attached below. Kindly answer this question using pythoncant find the errorCode the function multiplier(). /***** *** //The multiplier function takes 2 integer // parameters n1 and n2 and displays the result // of n1 times n2 //*** *******
- Please program this CorrectlyModify the below program that the input values representingfractions are stored with denominators that are positive integers. You cannot require the user to only enter a positive denominator value; the user should not be inconvenienced by such a restriction. For example, whilst values of 1 / -2 are acceptable inputs for a fraction, the output representation should be -1 / 2. Your solution should check the denominator input; if it is negative, swap the sign of both numerator and denominator instance variables. //Import the essential package import java.util.ArrayList; import java.util.Scanner; //Define the class Fraction class Fraction { private int n, d; public Fraction() { //Initialize the values this.n = this.d = 0; } public Fraction(int n, int d) { //Initialize the variables this.n = n; this.d = d; } //Define the getter function getNum() that returns the numerator public int getNum() {…Check and. Fix the code answer along with output