Answer: Python Puzzler #1457

The answer is C. The program prints:

11 1

Checked by running the program for real.

// divides and throws away the remainder: each friend gets 11 sweets. % gives the remainder: 1 sweet left over.

A trace table follows the program step by step. Here’s this one:

sum	answer
23 // 2	11
23 % 2	1

sweets = 23
friends = 2
print(sweets // friends, sweets % friends)

Try it: change one number in the program and predict the new output before you run it.