Add a .env file to the root of the project with the following content:
OPENAI_API_KEY=sk-...
OPENAI_API_BASE=https://api.openai.com/v1streamlit run Welcome.py- "List all metro routes"
- "What metro lines are available?"
- "What are the train times between Station A and Station B?"
- "Search for stops near 'Airport'"
- "Display all stops on a map"
- "Show geographic coverage of transit network"
- "What are the busiest stops?"
- "Show top 20 most used stations"
- "How many stops per zone?"
- "Which bus routes run most often?"
- "Show metro service frequency"
- "Show all transfer points"