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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 command_health(self):
 """Check package health """

        if len(self.args) == 1 and self.args[0] == "health":
            PackageHealth(mode="").test()
        elif (len(self.args) == 2 and self.args[0] == "health" and
                self.args[1] == "--silent"):
            PackageHealth(mode=self.args[1]).test()
        else:
            usage("")