37 C program to show A to Z alphabets using while loop | C Programming for beginner to advance

#Write a c program to show English Alphabets Using while loop:
char alpha='A'; //Starting position
printf("A to Z\n");
while(alpha ='Z'){
printf("%c\t",alpha);
++alpha;
}

OR

printf("\nZ to A:\n");
alpha='Z'; //Starting position
while(alpha ='A'){
printf("%c\t",alpha);
alpha--;
}