Performing expensive operation to get choices.
 [1] Radio 1
 [2] Radio 2
 [3] Radio 3
Select a station: 5
Error: 5 is not in the range 1<=x<=3.
Select a station: 0
Error: 0 is not in the range 1<=x<=3.
Select a station: 2
Tuning to station: Radio 2
