in Semantic_Kernel/multi_agent/sk_multi_agent_implementation.py [0:0]
def get_or_create_session(self, conversation_id: str) -> MultiAgent:
"""
Retrieve an existing MultiAgent instance for the given conversation_id.
If not found, create a new instance and store it.
"""
if conversation_id not in self.sessions:
print(f"session with {conversation_id} not found")
self.sessions[conversation_id] = MultiAgent()
return self.sessions[conversation_id]