Exercise 08-20:
Write a generator capable of generating a sequence with the factorial from 1 to n, where n is passed as a parameter to the generator.
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 08/exercise-08-20.py.py
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def factorial_generator(n):
p = 1
for v in range(1, n + 1):
p *= v
yield p
# Usage example:
# Generate factorials from 1 to 5
for n, factorial in enumerate(factorial_generator(5), 1):
print(f"{n}! = {factorial}")