def even$\_$avg$($values$)$: $"""-------------------------------------------------------$ Returns the average $($integer$,$ rounded down$)$ of all even numbers in values. If values has no even numbers, the average is $0.$ Use: ea $=$ even$\_$avg$($values$)-------------------------------------------------------$ Parameters: values $-$ a list of values $($list of int$)$ Returns$$: ea $-$ the average of the even numbers in values $($int$)-------------------------------------------------------"""$ # your code here return