条件、循环、函数定义、字符串操作练习

from turtle import *
for i in range(5):
    up()
    goto(0,-20*i)
    down()
    circle(20*i)

from turtle import *
for i in range(5):
    forward(200)
    right(144)

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

import turtle
def draw_diamond(brad):
    brad.forward(100)
    brad.right(45)
    brad.forward(100)
    brad.right(135)
def draw_art():
    window=turtle.Screen()
    window.bgcolor("purple")
    brad=turtle.Turtle()
    brad.shape("turtle")
    brad.color("orange")
    brad.speed("fastest")
    for i in range(0,36):
        draw_diamond(brad)
        draw_diamond(brad)
        brad.left(10)
    brad.right(90)
    brad.forward(155)
    brad.color(‘green‘)
    brad.forward(145)
    window.exitonclick()
draw_art()

def shibie(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]
        profession = studentID[4:8]
        order = studentID[10:12]
        print("年级：{}级".format(grade))
        if profession == "0611":
            print("专业:网络工程")
        print("序号:{}".format(order))

studentID = input("请输入学号：")
shibie(studentID)

#coding=gbk
x = input("Please enter an integer:")
x = int(x)
if x ==1 :
    print (‘星期一‘)
elif x == 2:
    print (‘星期二‘)
elif x == 3:
    print (‘星期三‘)
elif x == 4:
    print (‘星期四‘)
elif x == 5:
    print (‘星期五‘)
elif x == 6:
    print (‘星期六‘)
elif x == 7:
    print (‘星期七‘)
else:
    print (‘the number is wrong!‘)