You can call a function which you defined.
This sample's function is called three times.

How are you?
How are you?
How are you?
How are you?
How are you?
How are you?
How are you?
How are you?
How are you?
How are you?
How are you?
How are you?
How are you?
How are you?
How are you?
How are you?
How are you?
How are you?
How are you?
How are you?
How are you?