Add asyncio example

src/concurrency/examples/asyncio_sleep.py

@@ -0,0 +1,41 @@
+import asyncio
+
+
+async def compute_square(number: int) -> int:
+    task = asyncio.current_task()
+    assert task is not None
+    print(f"Task {task.get_name()} is processing number {number}")
+    await asyncio.sleep(2)
+    return number * number
+
+
+async def sequential(numbers: list[int]) -> list[int]:
+    results = []
+    start = asyncio.get_event_loop().time()
+    for number in numbers:
+        result = await compute_square(number)
+        results.append(result)
+    finish = asyncio.get_event_loop().time()
+    print(f"Sequential processing time: {finish - start} seconds")
+    return results
+
+
+async def concurrent(numbers: list[int]) -> list[int]:
+    start = asyncio.get_event_loop().time()
+    tasks = [compute_square(number) for number in numbers]
+    results = await asyncio.gather(*tasks)
+    finish = asyncio.get_event_loop().time()
+    print(f"Concurrent processing time: {finish - start} seconds")
+    return results
+
+
+async def main() -> None:
+    numbers = [1, 2, 3, 4, 5]
+    print("Running sequentially:")
+    await sequential(numbers)
+    print("Running concurrently:")
+    await concurrent(numbers)
+
+
+if __name__ == "__main__":
+    asyncio.run(main())