#include "py/builtin.h"
  #include "py/obj.h"
  #include <string.h>
  #include "mphalport.h"
  
  mp_obj_t mp_builtin_open(size_t n_args, const mp_obj_t *args, mp_map_t *kwargs) {
      return mp_const_none;
  }
  MP_DEFINE_CONST_FUN_OBJ_KW(mp_builtin_open_obj, 1, mp_builtin_open);
  
  mp_obj_t mp_builtin_input(size_t n_args, const mp_obj_t *args) {
    // 1 - Retrieve the prompt if any
    const char * prompt = NULL;
    if (n_args == 1) {
      prompt = mp_obj_str_get_str(args[0]);
    }
  
    // 2 - Perform the HAL input command
    const char * result = mp_hal_input(prompt);
  
    // 3 - Log the prompt, result and flush a new line
    mp_obj_t resultStr = mp_obj_new_str(result, strlen(result));
    if (n_args == 1) {
      mp_obj_print(args[0], PRINT_STR);
    }
    mp_obj_print(resultStr, PRINT_STR);
    mp_print_str(MP_PYTHON_PRINTER, "\n");
  
    return resultStr;
  }
  MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mp_builtin_input_obj, 0, 1, mp_builtin_input);