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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 feed(self, data):
 """ added this check as sometimes we are getting the data in integer format instead of string """

        try:
            self.rawdata = self.rawdata + data
        except TypeError:
            data = unicode(data)
            self.rawdata = self.rawdata + data

        self.goahead(0)