函数定义与使用，字符串类型

stuNum ='201709080A57'
print('年级是：'+stuNum[0:4])
print('专业编号是：'+stuNum[4:8])
print('序号是:'+stuNum[-2:])

personID ='440681199902122456'

import turtle
turtle.setup(600,400,0,0)
turtle.bgcolor('red')
turtle.color('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(-115,165)
draw5jx(35)
mygoto(-75,115)
draw5jx(35)
mygoto(-75,55)
draw5jx(35)
mygoto(-115,5)
draw5jx(35)
turtle.done()

hideturtle()
done()

　　

print('生日是：'+personID[10:14])