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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 settext(self, text, cls='current'):
 """Set the text for this element. Arguments: text (str):
 The text cls (str):
 The class of the text, defaults to ``current`` (leave this unless you know what you are doing). There may be only one text content element of each class associated with the element. """

        self.replace(TextContent, value=text, cls=cls)