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# Python From Scratch
# Author: Nilo Ney Coutinho Menezes
# Editora Novatec (c) 2010-2025 - LogiKraft 2025
# Site: https://pythonfromscratch.com
# ISBN: 978-85-7522-949-1 (Paperback), 978-85-7522-950-7 (hardcover), 978-85-7522-951-4 (ebook)
#
# File: chapter 06/06.01 - Calculation of the arithmetic mean.py
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grades = [6, 7, 5, 8, 9]
sum = 0
x = 0
while x < 5:
    sum += grades[x]
    x += 1
print(f"Average: {sum / x:5.2f}")