/******************************************************************************
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*******************************************************************************/
#include <stdio.h>
int main()
{
char char_str[2]; //hold letter + '\0'
char_str[1] ='\0';
for( char_str[0] = 'A'; char_str[0] < 'K'; char_str[0]++){
printf("%s", char_str);}
return 0;
}