Data Type C Tutorial

#include 
int main(void)
{
  char first = 'T';
  char second = 20;
  printf("\nThe first example as a letter looks like this - %c", first);
  printf("\nThe first example as a number looks like this - %d", first);
  printf("\nThe second example as a letter looks like this - %c", second);
  printf("\nThe second example as a number looks like this - %d\n", second);
  return 0;
}
The first example as a letter looks like this - T
The first example as a number looks like this - 84
The second example as a letter looks like this - 
The second example as a number looks like this - 20