摘要：fr=open('0530.txt',mode='r',encoding='utf-8') plaincode=fr.read() print('明文:'+plaincode) print('密文:',end='') for c in plaincode: print(chr(ord(c)+3),end='') fr = open('0530.txt',mode='r',enco... 阅读全文

摘要：s=input('密文:') for c in s : print(chr(ord(c)-3),end='') stuNum='201709080003' print('年级是：'+stuNum[0:4]) print('专业编号是;+stuNum[4:9]') print('序号是;'+stuNum[-3:]) IDNo= '440105199909211926' print(... 阅读全文

摘要：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 dra... 阅读全文

摘要：import turtle turtle.penup() turtle.left(90) turtle.fd(200) turtle.pendown() turtle.right(90) turtle.fillcolor("red") turtle.begin_fill() turtle.circle(10, 180) turtle.circle(25, 110) turtle.left... 阅读全文

摘要：import turtle turtle.circle(50) turtle.circle(100) turtle.circle(150) turtle.done() import turtle turtle.up() turtle.goto(0,-50) turtle.down() turtle.circle(100) turtle.up() turtle.goto(0,-100)... 阅读全文