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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 set_sflow(self, name, value=None, default=False, disable=False):
 """Configures the sFlow state on the interface Args: name (string):
 The interface identifier. It must be a full interface name (ie Ethernet, not Et) value (boolean):
 True if sFlow should be enabled otherwise False default (boolean):
 Specifies the default value for sFlow disable (boolean):
 Specifies to disable sFlow Returns: True if the operation succeeds otherwise False is returned """

        if value not in [True, False, None]:
            raise ValueError

        commands = ['interface %s' % name]
        commands.append(self.command_builder('sflow enable', value=value,
                                             default=default, disable=disable))
        return self.configure(commands)