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  • Extension4 is quite similar with shapeE in a sense that they both draw a same shape multiple times and at different locations.  Again, the result is quite different from the original shape.  One thing to note is that the original shape – pointer-looking shape – switches its angle each time in order to form a circle at the end.  This was done by loop and range function and putting specific angle.

Conclusions:  I learned several lessons from this project since I am a beginner in computer programming.  First of all, I realized codes can get very long very quickly.  Then, I noticed there are different functions that can be used to reduce 'duplications' as Professor Skrien mentioned in class.  I personally think the purpose of this project was to introduce the basics of python turtle and the concept of a function and its benefit in coding.  While working on this project, I received help from Professor Skrien and Eaton, TAs in the weekends, most of all the interactive online textbook.  I believe it was chapter 4 that helped me to figure out how to use loop and range functions.  The example codes on the textbook also helped me to come up with my own for the project.