Answer: Python Puzzler #1459

The answer is C. The program prints:

7 4

Checked by running the program for real.

// divides and throws away the remainder: each friend gets 7 sweets. % gives the remainder: 4 sweets left over.

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

sum	answer
39 // 5	7
39 % 5	4

sweets = 39
friends = 5
print(sweets // friends, sweets % friends)

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