to read and print an array using functions

void read_arr(int arr[], int len) {
  for (int i = 0; i < len; i++) {
    printf("Enter element %d: ", i);
    scanf("%d", &arr[i]);
  }
}

void print_arr(int arr[], int len) {
  for (int i = 0; i < len; i++) {
    printf("%d ", arr[i]);
  }
  printf("\n");
}

int main() {
  int len;
  printf("Enter length of array: ");
  scanf("%d", &len);

  int arr[len];
  read_arr(arr, len);
  print_arr(arr, len);
}