code: def write_data(self, data, start_position=0):
  		
  		if len(data) > self.height():
  			raise ValueError('Data too long (too many strings)')
  
  		for i in range(len(data)):
  			self.write_line(start_position + i, data[i])
docs: Write data from the specified line
  
  		:param data: string to write, each one on new line
  		:param start_position: starting line
  		:return: