函数定义与使用，字符串类型

import turtle

turtle.setup  (600,400,0,0)

turtle.bgcolor('red')
turtle.pencolor('yellow')
turtle.fillcolor('yellow')


def mygoto(x,y):
    turtle.penup()
    turtle.goto(x,y)
    turtle.pendown()

def draw5jx(r):
    turtle.begin_fill()
    for i in range(5):
        turtle.forward(r)
        turtle.right(144)
    turtle.end_fill()


mygoto(-250,100)
draw5jx(100)

mygoto(-100,150)
draw5jx(40)

mygoto(-40,100)
draw5jx(40)

mygoto(-40,40)
draw5jx(40)

mygoto(-100,0)
draw5jx(40)

turtle.hideturtle()
turtle.done()

stunum ='201709080033'
print('年级;'+stunum[0:4])
print('专业:'+stunum[4:8])
print('班级:'+stunum[9:11])
print('序号:'+stunum[11])


idno ='440000199804024147'
print('省市区：'+idno[0:6])
print('生日：'+idno[6:14])
print('性别：'+idno[16])