函数定义与使用，字符串类型

stuNum = '201709080026'

import turtle
 
turtle.bgcolor("red")
turtle.fillcolor("yellow")
turtle.color('yellow')
turtle.speed(10)
 
turtle.begin_fill()
turtle.up()
turtle.goto(-600,220)
turtle.down()
for i in range (5):   
    turtle.forward(150)
    turtle.right(144)
turtle.end_fill()
 
 
turtle.begin_fill()
turtle.up()
turtle.goto(-400,295)
turtle.setheading(305)
turtle.down()
for i in range (5):   
    turtle.forward(50)
    turtle.left(144)
 
turtle.end_fill()
 
 
 
turtle.begin_fill()
turtle.up()
turtle.goto(-350,212)
turtle.setheading(30)
turtle.down()
for i in range (5): 
    turtle.forward(50)
    turtle.right(144)
 
turtle.end_fill()
 
 
turtle.begin_fill()
turtle.up()
turtle.goto(-350,145)
turtle.setheading(5)
turtle.down()
for i in range (5):  
    turtle.forward(50)
    turtle.right(144)
 
turtle.end_fill()
 
 
turtle.begin_fill()
turtle.up()
turtle.goto(-400,90)
turtle.setheading(300)
turtle.down()
for i in range (5): 
    turtle.forward(50)
    turtle.left(144)
 
turtle.end_fill()

 

print('年级是：'+stuNum[0:4])
print('专业编号是：'+stuNum[4:9])
print('序号是：'+stuNum[-3:])

IDNo= '420682199807012608'
print('省市是：'+IDNo[0:2])
print('生日是：'+IDNo[-8:-4])
print('性别是：'+IDNo[-2])

Python 3.6.5 (v3.6.5:f59c0932b4, Mar 28 2018, 16:07:46) [MSC v.1900 32 bit (Intel)] on win32
Type "copyright", "credits" or "license()" for more information.
>>> 
== RESTART: C:/Users/teacher/AppData/Local/Programs/Python/Python36-32/f.py ==
年级是：2017
专业编号是：09080
序号是：026
省市是：42
生日是：0701
性别是：0
>>>