new file:   turtles_4_funct_4.9.ex10.py
	new file:   turtles_4_funct_4.9.ex6.py
	new file:   turtles_4_funct_4.9.ex7.py
	new file:   turtles_4_funct_4.9.ex8.py
	new file:   turtles_4_funct_4.9.ex9.py