text: #include "left.h"
  #include <cstring>
  #include<sstream>
  
  Left::Left()
  {
  	command = new char[strlen("left 20")+1];
  	strcpy(command, "left 20");
  }
  
  Left::Left(int _value)
  {
  	std::stringstream sstream;
  	sstream << "left " << _value;
  
  	command = new char[strlen(sstream.str().c_str())+1];
  	strcpy(command, sstream.str().c_str());
  }
  
  double Left::get_delay()
  { 
  	return 5; 
  } 