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All letters of the alphabet, symbols, and number keys on the keyboard have ASCII codes

ASCII code values range from 0 to 127. #include <stdio.h>   int main() {     char key;       printf("Press a key on your keyboard:");     key=getchar();     printf("You pressed the '%c' key.\n",key);     printf("Its ASCII value is %d.\n",key);     return(0); } Press a key on your keyboard:1 You pressed the '1' key. Its ASCII value is 49.