WIP. Working on adding and & or to flows. In the middle of setting up template for flow as well

src/crewai/flow/structured_test_flow_and.py

@@ -0,0 +1,47 @@
+import asyncio
+
+from crewai.flow.flow import Flow, listen, start
+from pydantic import BaseModel
+
+
+class ExampleState(BaseModel):
+    counter: int = 0
+    message: str = ""
+
+
+class StructuredExampleFlow(Flow[ExampleState]):
+    initial_state = ExampleState
+
+    @start()
+    async def start_method(self):
+        print("Starting the structured flow")
+        print(f"State in start_method: {self.state}")
+        self.state.message = "Hello from structured flow"
+        print(f"State after start_method: {self.state}")
+        return "Start result"
+
+    @listen(start_method)
+    async def second_method(self, result):
+        print(f"Second method, received: {result}")
+        print(f"State before increment: {self.state}")
+        self.state.counter += 1
+        self.state.message += " - updated"
+        print(f"State after second_method: {self.state}")
+        return "Second result"
+
+    @listen(start_method)
+    async def third_method(self, result):
+        print(f"Third method, received: {result}")
+        print(f"State before increment: {self.state}")
+        self.state.counter += 1
+        self.state.message += " - updated"
+        print(f"State after third_method: {self.state}")
+        return "Third result"
+
+
+async def main():
+    flow = StructuredExampleFlow()
+    await flow.run()
+
+
+asyncio.run(main())