"""Exercise 5.2.1 — Average temperature

Chapter 5: Data Structures — Everyday Programming

Three readings are 20.0, 22.0, and 24.0 degrees. The program should
print the average, 22.0.

This program contains exactly one bug. Solution: sol_5_2_1.py
"""

reading1 = 20.0
reading2 = 22.0
reading3 = 24.0

average = reading1 + reading2 + reading3 / 3
print(average)   # 22.0