C :

#include<stdio.h>
 
int main() {
    char ch;
    scanf("%c", &ch);
    if((ch >= 'a' && ch <= 'z') || (ch >= 'A' && ch <= 'Z')){
        printf("It is an English character.\n");
    } else if (ch >= '0' && ch <= '9') {
        printf("It is a digit character.\n");
    } else {
        printf("It is other character.\n");
    }
    return 0;
}