条件、循环、函数定义、字符串操作练习

import turtle

turtle.fillcolor("red")
turtle.begin_fill()
for i in range(5):
        turtle.forward(100)
        turtle.right(144)
turtle.end_fill()

import turtle
for i in range(3):
     turtle.up()
     turtle.goto(0,-50*(i+1))
     turtle.down()
     turtle.circle(50*(i+1))

import turtle
turtle.color(‘red‘,‘yellow‘)
turtle.begin_fill()
while True:
    turtle.forward(200)
    turtle.left(170)
    if abs(turtle.pos()) < 1:
        break
turtle.end_fill()

import turtle
turtle.setup(600,400,0,0)
turtle.color("yellow")
turtle.bgcolor(‘red‘)
turtle.fillcolor("yellow")
 
def Mygoto(x,y):
    turtle.up()
    turtle.goto(x,y)
    turtle.down()
 
def Mydraw(r):
    turtle.begin_fill()
    for i in range(5):
        turtle.forward(r)
        turtle.right(144)
    turtle.end_fill()
 
Mygoto(-273,110)
Mydraw(100)
 
Mygoto(-121,162)
turtle.left(45)
Mydraw(50)
 
Mygoto(-79,110)
Mydraw(50)
 
Mygoto(-79,51)
turtle.right(45)
Mydraw(50)
 
Mygoto(-121,22)
turtle.right(45)
Mydraw(50)

import turtle
def Yyxdraw_diamond(brad):
    brad.forward(120)
    brad.right(45)
    brad.forward(120)
    brad.right(135)
def Yyxdraw_art():
    window=turtle.Screen()
    window.bgcolor("red")
    brad=turtle.Turtle()
    brad.shape("turtle")
    brad.color("yellow")
    for i in range(36):
        Yyxdraw_diamond(brad)
        Yyxdraw_diamond(brad)
        brad.left(10)
    window.exitonclick()
 
Yyxdraw_art()

majors = {
  11:‘网络工程‘,
  12:‘软件工程‘,
  13:‘数字媒体‘,
  }
 
def recognition(studentID):
     if len(studentID)<12:
         print("请输入正确的学号！")
     elif studentID.isdigit() != True:
         print("请输入正确的学号！")
     else:
         grade = studentID[0:4]
         major = studentID[6:8]
         num = studentID[10:12]
         print("年级：{}级".format(grade))        
         print("专业为：",majors.get(int(major)))
         print("序号:{}".format(num))
        
studentID = input("请输入学号：")
recognition(studentID)

 s="星期一星期二星期三星期四星期五星期六星期天"
 i=int(input("请输入(1-7)："))
 if(0<i<8):
     print(s[-3+3*i:0+3*i])
 else:
     print("输入有误!")

ID=input(‘请输入十八位身份证号码: ‘)
if len(ID)!=18:
  print("错误的身份证号码!!")
   
ID_add=ID[0:6]
ID_birth=ID[6:10]
ID_sex=ID[14:17]
 
if int(ID_add)==440101:
  print("省市区:广东省广州市市辖区")
elif int(ID_add)==440102:
    print("省市区:广东省广州市东山区")
elif int(ID_add)==440103:
    print("省市区:广东省广州市荔湾区")
elif int(ID_add)==440104:
    print("省市区:广东省广州市越秀区")
elif int(ID_add)==440105:
    print("省市区:广东省广州市海珠区")
 
     
birth=2017-int(ID_birth[0:4])
print("年龄：{}".format(birth))
   
if int(ID_sex)%2==0:
  print(‘性别：女‘)
else:
  print(‘性别：男‘)

 yyx1 = "https://docs.python.org/3.6/library/"
 yyx2 = ".html"
 yyx3 = input("请输入库名：")
 print("网址为：%s%s%s"%(yyx1,yyx3,yyx2))

print("No!"*3) 
s="this is "
t="younger!"
print(s+t)
p="hello world!!!"
for i in range(len(s)):
    print(i,s[i])