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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def send_wait(self,text):
 	"""Send a string to the PiLite, sleep until the message has been 	displayed (based on an estimate of the speed of the display. 	Due to the font not being monotype, this will wait too long in most 	cases"""

	self.send(text)
	time.sleep(len(text)*PiLite.COLS_PER_CHAR*self.speed/1000.0)