text: #include "shell.h"
  
  /**
   * free_double_ptr - free malloced arrays
   * @str: array of strings
   */
  void free_double_ptr(char **str)
  {
  int i = 0;
  while (str[i] != NULL)
  {
  free(str[i]);
  i++;
  }
  free(str);
  }
  