'''
Write a code that creates a list with 3 integer items representing a review score out of 20. Next, Add a fourth score. Then add 1 point to the second note
Finally, calculate the average of the 4 notes Do it in Python
'''

# create a list with 3 integer items representing review scores
review_scores = [15, 18, 17]

# add a fourth score
review_scores.append(16)

# add 1 point to the second score
review_scores[1] += 1

# calculate the average of the 4 scores
average_score = sum(review_scores) / len(review_scores)

# print the review scores and average score
print("Review scores:", review_scores)
print("Average score:", average_score)