It is sure that at some point you have to enter the world of work, even if you are planning to start you own business that is also a work.
Career planning is a an art now and the job market is very competitive.
Going for part time work will help you to plan career early. If you chosen course offers such an opportunity we strongly suggest you to attend one. This not only gives an opportunity to earn some bugs but also to gain 1 year work experience which will give you a head start in your career than the normal guys. If your course doesn't support the former option you still can work part time during your academic year. So you can earn money, gain work experience in a foreign country, make life long friends, international experience.