WAP in C to Swap Two Numbers Using Temporary Variable?

#include<stdio.h>
#include<conio.h>
int main()
{
double a,b,temp;
clrscr();
printf(“Enter first number: “);
scanf(“%lf”, &a);
printf(“Enter second number: “);
scanf(“%lf”,&b);
// Value of a is assigned to temp
temp = a;
// Value of b is assigned to a
a = b;
// Value of temp (which contains the initial value of a) is assigned to b
b = temp;
printf(“\nAfter swapping firstNumber = %.2lf\n”,a);
printf(“After swapping secondNumber = %.2lf”,b);
getch();
return(0);
}

Output :-

swap

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