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).