Complete the program below by filling in the blank so the program displays the average of the list. $($Select a correct answer$)$

scores $=[80,90,55,75,68]$

total $=0$

for score in scores:

total $=$ total $+$ score

print$(\text{'}$final total: $\text{'}+\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_)$