Learn to write and validate your own code
Darren Kessner, PhD
(revised September 1, 2025)
Output:
Hello, world! sum(5,7): 12 Hello, world! is_odd(5): True is_odd(7): True is_odd(8): False odd_numbers: [1, 3, 5, 7, 9] even_numbers: [0, 2, 4, 6, 8]