Help with Text String Code

Question

Here's the code:

Here's the problem: "IndexError: list index out of range." Can anyone explain why this is happening? I feel like it's a minor detail I'm overlooking, but if it's big and ugly, don't hesitate to call me out. As always, thanks in advance.

questions = [
"We don't serve strings around here. Are you a string?"
"What is said on Father's Day in the forest?"
"What makes the sound 'Sis! Boom! Bah?'"
]
answers = [
"An exploding sheep."
"No, I'm a frayed knot."
"'Pop!' goes the weasel."
]
q_a = ((0,1), (1,2), (2,0))
for q, a in q_a:
print("Q:", questions[q])
print("A:", answers[a])
print()

Answer 1

You just need to separate the elements of the lists with comma

Answer 2

Thanks, Santa! I figured it was something minor I wasn't paying attention to.