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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 get_host_system_failfast( self, name, verbose=False, host_system_term='HS' ):
 """ Get a HostSystem object fail fast if the object isn't a valid reference """

        if verbose:
            print("Finding HostSystem named %s..." % name)

        hs = self.get_host_system(name)

        if hs is None:
            print("Error: %s '%s' does not exist" % (host_system_term, name))
            sys.exit(1)

        if verbose:
            print("Found HostSystem: {0} Name: {1}" % (hs, hs.name))

        return hs