Anyone can learn for free on OpenLearn, but signing-up will give you access to your personal learning profile and record of achievements that you earn while you study.
Start this free course now. Just create an account and sign in. Enrol and complete the course for a free statement of participation or digital badge if available.
The solution is to use the built-in function int that takes a string and converts it to an integer, which is a number like –2, –1, 0, 1, 2, etc. If the string represents a decimal number, int will give an error.
Change the restaurant program (repeated below) so that it asks the user for the number of people.
Next, in Section 6, you’ll learn a different form of iteration..
Making the decision to study can be a big step, which is why you'll want a trusted University. The Open University has 50 years’ experience delivering flexible learning and 170,000 students are studying with us right now. Take a look at all Open University courses.
If you are new to university level study, find out more about the types of qualifications we offer, including our entry level Access courses and Certificates.
Not ready for University study then browse over 900 free courses on OpenLearn and sign up to our newsletter to hear about new free courses as they are released.
Every year, thousands of students decide to study with The Open University. With over 120 qualifications, we’ve got the right course for you.
©1999-2020. All rights reserved. The Open University is incorporated by Royal Charter (RC 000391), an exempt charity in England & Wales and a charity registered in Scotland (SC 038302). The Open University is authorised and regulated by the Financial Conduct Authority in relation to its secondary activity of credit broking.
