Prof. Ludäscher’s Notes for April 8, 2014

1. Useful web sites
   1. Python Tutor [http://www.pythontutor.com/] shows you how variables and such change as your program executes
   2. Here is an interactive version of the course textbook [http://interactivepython.org/courselib/static/thinkcspy/index.html]
   3. The string operators + and * [http://interactivepython.org/courselib/static/thinkcspy/Strings/strings.html#operations-on-strings]
   4. for loops, including range() [http://interactivepython.org/courselib/static/thinkcspy/PythonTurtle/helloturtle.html#the-for-loop]
2. Prof. Ludäscher’s slides (in PDF)