multiple definition 에러입니다.

#ifndef _ADDRESS_H_
#define _ADDRESS_H_
 
typedef struct address_s {
   int16_t id;
   int16_t age;
   uint8_t name[10];
   uint8_t address[20];
} address_t;
 
address_t address_list[4] = {
  {1, 20, "James K.", "SEOUL, KOREA"},
  {2, 20, "Laura H.", "LONDON, UK"},
  {3, 19, "Alena K.", "KIEV, UKRAINE"},
  {4, 33, "MICHAEL T.", "DALLAS, USA"}
};
 
#endif /* _ADDRESS_H_ */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdint.h>
 
#include "address.h"
 
void print_address_list (address_t *list)
{
   int16_t i = 0;
   printf("=================== start ================== \n");
   for (i = 0 ; i < 4 ; i++)
   {
       printf("id = %d \n", list[i].id);
       printf("age = %d \n", list[i].age);
       printf("name = %s \n", list[i].name);
       printf("address = %s \n", list[i].address);
       if (i != 3)
           printf("------------------------------------------------------\n");
   }
   printf("=================== start ================== \n");
}
 
int main(void)
{
   print_address_list(address_list);
 
   return 0;
}

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdint.h>
 
#include "address.h"
 
int test(void)
{
   print_address_list(address_list);
 
   return 0;
}