(self)
Tells the program that it is used by another consumer.
        Starts the program if this is the first usage.
Tells the program that it is used by another consumer.
        Starts the program if this is the first usage.
Tells the program that it is used by another consumer . Starts the program if this is the first usage .
def use(self) -> None:
        """Tells the program that it is used by another consumer.
        Starts the program if this is the first usage."""
        if self.consumers == 0:
            self.start()
        self.consumers += 1
def use ( self ) -> None : if self . consumers == 0 : self . start ( ) self . consumers += 1