a trivial array pretty print.

pretty_print.c

#include <stdio.h>

int main() {
  int arr[] = {1, 2, 3, 4, 5};
  int size = 5;
  for (int i = 0; i < size; i++)
    printf((i == 0 ? "[%d" : i == size - 1 ? ", %d]\n" : ", %d"), arr[i]);
  // "[1, 2, 3, 4, 5]"
  return 0;
}