--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/asyncio_threads/bucket_questions/single_thread_async.py	Sat Dec 13 14:23:02 2025 -0800
@@ -0,0 +1,67 @@
+import asyncio
+from typing import Dict
+
+class DistributedCache:
+
+    def __init__(self):
+        self._user_bucket_map: Dict[str, TokenBucket] = {}
+
+
+    def get_bucket(self, user_id: str):
+        return self._user_bucket_map[user_id]
+
+    def set_bucket(self, user_id: str):
+        self._user_bucket_map[user_id] = TokenBucket()
+
+
+INITIAL_VALUES = 10
+
+class TokenBucket:
+
+    def __init__(self, initial_values = INITIAL_VALUES):
+        self._tokens = initial_values
+        self._refill_values = initial_values
+        self._lock = asyncio.Lock()
+
+    def get_tokens(self):
+        print(self._tokens)
+        return self._tokens
+
+    async def consume_tokens(self, token: int):
+        async with self._lock:
+            if self.get_tokens() < token:
+                return False
+
+            await asyncio.sleep(1)
+            self._tokens -=  token
+            return True 
+
+    async def refill_tokens(self):
+        async with self._lock:
+            self._tokens = self._refill_values
+
+
+cache = DistributedCache()
+
+user_1 = "JUNE"
+user_2 = "VICTOR"
+cache.set_bucket(user_1)
+cache.set_bucket(user_2)
+
+async def refill_token_bucket(user_id: str):
+    await cache.get_bucket(user_id).refill_tokens()
+
+async def use_tokens(user_id: str, tokens: int):
+    return await cache.get_bucket(user_id).consume_tokens(tokens)
+
+async def run():
+    return_value = await asyncio.gather(
+      use_tokens(user_1, 10),
+      refill_token_bucket(user_1),
+      use_tokens(user_1, 10),
+      use_tokens(user_2, 10),
+    )
+    print(return_value)
+
+if __name__ == "__main__":
+    asyncio.run(run())