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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 runcall(self, func, *args, **kw):
 """ Profile a single function call. """

        # XXX where is this used ? can be removed ?
        self.enable_by_count()
        try:
            return func(*args, **kw)
        finally:
            self.disable_by_count()