from kalshi_python.models.get_exchange_announcements_response import GetExchangeAnnouncementsResponse# Create an instance with example dataget_exchange_announcements_response_instance = GetExchangeAnnouncementsResponse( # Add required fields here)# Convert to JSON stringjson_str = get_exchange_announcements_response_instance.to_json()print(json_str)# Create from JSON stringget_exchange_announcements_response_from_json = GetExchangeAnnouncementsResponse.from_json(json_str)# Convert to dictget_exchange_announcements_response_dict = get_exchange_announcements_response_instance.to_dict()# Create from dictget_exchange_announcements_response_from_dict = GetExchangeAnnouncementsResponse.from_dict(get_exchange_announcements_response_dict)