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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 format(self, *args, **kwargs):
 """ Format the string representation of the editor. Args: inplace (bool):
 If True, overwrite editor's contents with formatted contents """

        inplace = kwargs.pop("inplace", False)
        if not inplace:
            return str(self).format(*args, **kwargs)
        self._lines = str(self).format(*args, **kwargs).splitlines()