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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 validate_version(self, where=None):
 """ are we trying to operate on an old version? """

        if where is not None:
            if (self.version[0] <= 0 and self.version[1] <= 10 and
                    self.version[2] < 1):
                ws = incompatibility_doc % '.'.join(
                    [str(x) for x in self.version])
                warnings.warn(ws, IncompatibilityWarning)