Objective

Ask the user for a traffic light color and print what that light means.

Skills to Practice

• Prompting a user for input
• Comparing strings
• Branching with if / elif / else
• Formatting custom output

Tasks

• Create a new Python program named cc-traffic-light.
• Prompt the user to enter red, yellow, or green.
• Display Go! for green, Prepare to stop! for yellow, and Stop! for red.
• Add an else for anything that is not one of those three.
• Useful trick: calling .lower() on the input makes GREEN, Green, and green all work.

Sample Output

Enter a traffic light color: green [Enter]
Go!