the fine for exceeding more than 30km/h the fine will be 500 dollars.

Example (Speed=100, Signals=[110,100,80]-> 250)

thanks

You need to return a value, not print. Since you're new to codewars I recommend reading this article explaining the codewars trainer.

Also read this:

• The ISSUE label should be used for kata issues, not issues with your solution
• You should use appropriate formatting when sharing code.