renamed:    ex1.py -> part1/ex1.py
	renamed:    ex10.py -> part1/ex10.py
	renamed:    ex11.py -> part1/ex11.py
	renamed:    ex12.py -> part1/ex12.py
	renamed:    ex13.py -> part1/ex13.py
	renamed:    ex14.py -> part1/ex14.py
	renamed:    ex15.py -> part1/ex15.py
	renamed:    ex15_sample.txt -> part1/ex15_sample.txt
	renamed:    ex16.py -> part1/ex16.py
	renamed:    ex17.py -> part1/ex17.py
	renamed:    ex2.py -> part1/ex2.py
	renamed:    ex3.py -> part1/ex3.py
	renamed:    ex4.py -> part1/ex4.py
	renamed:    ex5.py -> part1/ex5.py
	renamed:    ex6.py -> part1/ex6.py
	renamed:    ex7.py -> part1/ex7.py
	renamed:    ex8.py -> part1/ex8.py
	renamed:    ex9.py -> part1/ex9.py
	renamed:    test.txt -> part1/test.txt
	renamed:    test17.txt -> part1/test17.txt