C Program to Demonstrate use of Do While Loop

Write C Program to Demonstrate use of Do While Loop

//Write C Program to Demonstrate use of Do While Loop

#include <stdio.h>
#include <stdlib.h>

int main()
{

    int n;

	do
	{
		printf("\n\n1. Hello World");
		printf("\n2. Welcome to the world of programming");
		printf("\n3. Exit");
		printf("\n\nEnter Your Choice :--> ");
		scanf("%d",&n);

		int temp = n;
		switch(temp)
		{
			case 1:
				printf("\nHello World");
                break;

			case 2:
				printf("\nWelcome to the world of programming");
                break;

			case 3:
				exit(0);

			default:
				printf("\nPlease enter the valid number");
		}
	}while(n>0);

	return 0;
}

Output:

1. Hello World
2. Welcome to the world of programming
3. Exit

Enter Your Choice :--> 5

Please enter the valid number

1. Hello World
2. Welcome to the world of programming
3. Exit

Enter Your Choice :--> 2

Welcome to the world of programming

1. Hello World
2. Welcome to the world of programming
3. Exit

Enter Your Choice :--> 3

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