import ray

ray.init()

# Define the Counter actor.
@ray.remote
class Counter:
    def __init__(self):
        self.i = 0

    def get(self):
        return self.i

    def incr(self, value):
        self.i += value

# Create a Counter actor.
c = Counter.remote()

# Submit calls to the actor. These calls run asynchronously but in
# submission order on the remote actor process.
for _ in range(10):
    c.incr.remote(1)

# Retrieve final actor state.
print(ray.get(c.get.remote()))
# -> 10