$ python3 search-dams.py
Please select one of the following choices:
1. Search by dam name
2. Search by dam location (state)
3. Quit

Choice? 4

Invalid choice, try again.

Please select one of the following choices:
1. Search by dam name
2. Search by dam location (state)
3. Quit

Choice? -1

Invalid choice, try again.

Please select one of the following choices:
1. Search by dam name
2. Search by dam location (state)
3. Quit

Choice? zz

Invalid choice, try again.

Please select one of the following choices:
1. Search by dam name
2. Search by dam location (state)
3. Quit

Choice? 2
Location (state)? Antarctica

Could not find any records matching that location

Please select one of the following choices:
1. Search by dam name
2. Search by dam location (state)
3. Quit

Choice? 1
Dam name (or prefix)? Zqr

Could not find any records matching that name

Please select one of the following choices:
1. Search by dam name
2. Search by dam location (state)
3. Quit

Choice? 0

Invalid choice, try again.

Please select one of the following choices:
1. Search by dam name
2. Search by dam location (state)
3. Quit

Choice? Quit

Invalid choice, try again.

Please select one of the following choices:
1. Search by dam name
2. Search by dam location (state)
3. Quit

Choice? 3

Goodbye!