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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 u2s(self,u):
 		"""Returns an ASCII representation of the Unicode string 'u'."""


		try:
			return u.encode('utf-8',errors='ignore')
		except (UnicodeDecodeError,AttributeError) as e:
			try:
				return str(u)
			except UnicodeEncodeError:
				return unicode(u).encode('utf-8',errors='ignore')