Task: Adding New Coffee Types to the Café Menu

At Café Pandasia, the manager has been updating the menu and wants to add more coffee types.

The manager wants to add three new coffee types:

1. Americano: Price: 2.8, Availability: Yes
2. Macchiato: Price: 3.2, Availability: No
3. Mocha: Price: 3.5, Availability: Yes

Use the loc property to add the three new coffee types to the existing DataFrame (df).