Exercise 05-14:
Write a program that reads integers input by the user. The program must read the numbers until the user enters 0 (zero). At the end of the execution, display how many numbers were entered, their sum, and their arithmetic mean.
Answer:
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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 05/exercise-05-14.py.py
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sum = 0
quantity = 0
while True:
n = int(input("Enter an integer: "))
if n == 0:
break
sum = sum + n
quantity = quantity + 1
print("Number of integers entered:", quantity)
print("Sum: ", sum)
print(f"Average: {sum/quantity:10.2f}")