条件、循环、函数定义 练习

1.

from turtle import*
shape('turtle')
color('yellow')
fillcolor('yellow')
begin_fill()
for i in range(5):
     forward(100)
     right(144)
end_fill()

2.

from turtle import*
shape('turtle')
begin_fill()
for i in range(5):
     circle(30*(i+1))
     up()
     goto(0,-30*(i+1))
     down()

 

3.

from turtle import*
shape('turtle')

color('orange')
fillcolor('blue')
begin_fill()
while True:
      forward(200)
      left(200)
      if(abs(pos()))<1:
          break
end_fill()
done()

4.

shape('turtle')

color('orange')
fillcolor('blue')
begin_fill()
while True:
forward(200)
left(200)
if(abs(pos()))<1:
break
end_fill()
done()

from turtle import*
bgcolor('red')
fillcolor('yellow')
color('yellow')
def wujiao(x,y):
up()
goto(x,y)
down()
wujiao(-300,230)
begin_fill()
for i in range(5):
forward(100)
right(144)
end_fill()
wujiao(-200,300)
begin_fill()
for i in range(5):
forward(50)
right(144)
end_fill()
wujiao(-150,250)
begin_fill()
for i in range(5):
forward(50)
right(144)
end_fill()
wujiao(-150,200)
begin_fill()
for i in range(5):
forward(50)
right(144)
end_fill()
wujiao(-200,150)
begin_fill()
for i in range(5):
forward(50)
right(144)
end_fill()