Welcome to the Treehouse Community

The Treehouse Community is a meeting place for developers, designers, and programmers of all backgrounds and skill levels to get support. Collaborate here on code errors or bugs that you need feedback on, or asking for an extra set of eyes on your latest project. Join thousands of Treehouse students and alumni in the community today. (Note: Only Treehouse students can comment or ask questions, but non-students are welcome to browse our conversations.)

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and a supportive community. Start your free trial today.

Python Python Basics All Together Now Branch and Loop

Code not working properly

TICKET_PRICE = 10

tickets_remaining = 100


while tickets_remaining >= 1:

    print("There are {} tickets remaining.".format(tickets_remaining))


    name = input("What is your name? ")


    num_tickets = input("How many tickets would you like, {}? ".format(name))
    num_tickets = int(num_tickets)

    amount_due = num_tickets * TICKET_PRICE

    print("The total due is ${}".format(amount_due))


proceed = input("Would you like to buy these? [Y/N]")
proceed = proceed.lower()
if proceed == 'y':
    print("Sold!")
    tickets_remaining -= num_tickets
else:
    print("Thank you anyways, {}".format(name))

print("Sorry the tickets are all sold out")

1 Answer

Clayton Perszyk
MOD
Clayton Perszyk
Treehouse Moderator 48,577 Points

It looks like it might have to do with the version of Python. If it's 2.x then you should use raw_input; if it's 3.x you should be able to use input.

Here's a link to a forum regarding the error:

https://python-forum.io/Thread-Name-error-is-not-defined