#!/usr/bin/python3
# grades02
# List element manipulation.

scores = [75, 95, 90, 87, 99, 100, 97, 100]

numberOfScores = len(scores)

# We will sum the scores. Initialize sum value to zero then add each value to the sum.
sum = 0
for score in scores:
    sum = sum + score

print(f"The sum of the {numberOfScores} scores is {sum:.2f}")
print(f"The average of the {numberOfScores}  scores is {sum/numberOfScores:.2f}")