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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 addQuickElement(self, name, contents=None, attrs=None, escape=True, cdata=False):
 """Convenience method for adding an element with no children."""

        if attrs is None:
            attrs = {}
        self.startElement(name, attrs)
        if contents is not None:
            self.characters(contents, escape=escape, cdata=cdata)
        self.endElement(name)