WAP to check whether a character is Uppercase or Lowercase alphabet

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Program : Check Whether Entered Character is Uppercase Letter or Not Without using Library Function.
#include<stdio.h>

int main() {
   char ch;

   printf("\nEnter The Character : ");
   scanf("%c", &ch);

   if (ch >= 'A' && ch <= 'Z')
      printf("Character is Upper Case Letters");
   else
      printf("Character is Not Upper Case Letters");

   return (0);
}

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#include<stdio.h>

int main() {
   char ch;

   printf("\nEnter The Character : ");
   scanf("%c", &ch);

   if (ch >= 65 && ch <= 90)
      printf("Character is Upper Case Letters");
   else
      printf("Character is Not Upper Case Letters");

   return (0);
}

Output :

1
2
Enter The Character : A
Character is Uppercase Letters

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