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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 kill(self, sig):
 """Send the given signal to the child application. In keeping with UNIX tradition it has a misleading name. It does not necessarily kill the child unless you send the right signal. See the :mod:`signal` module for constants representing signal numbers. """


        # Same as os.kill, but the pid is given for you.
        if self.isalive():
            os.kill(self.pid, sig)