On 2011-12-20 19:31, kimma wrote: > I am about to learn python with "how to think like a computer > scientist". This book is just available for python 2.4. Does it matter > for programming? There is also a online-version for Python 3 but there are some differences: http://openbookproject.net/thinkcs/python/english3e/preface3-rle.html Bye, Andreas