31. WAP to read any month number and display the number of days in that month.

#include<stdio.h>
#include<conio.h>
void main()
{
   int month_no;
   printf("Enter the month number (1-12): ");
   scanf("%d",&month_no);
   if(month_no==1 || month_no==3 || month_no==5 || month_no==7 ||
    month_no==8 || month_no==10 || month_no==12)
    printf("\nThis month has 31 days");
   else if(month_no==4 || month_no==6 || month_no==9 || month_no==11)
       printf("\nThis month has 30 days");
   else if(month_no==2)
       printf("\nThis month has 28 days\nIn leap year it has 29 days");
   else
       printf("\nPlease enter a valid month number between 1 and 12");
   getch();

}


Output:

Please have a look at the below lesson posted on my YouTube channel: