auto save

1.py

+un="SB"
+nn="123"
+while True:
+    u=input("民")
+    n=input("迷")
+    if un=u and nn=n
+        print("登录成功")
+        break
+    print("错误")
+print("欢迎来到编程世界")    
+
+
+
+
+

diy1.py

+# 利用write()帮助悟空给诺依回信吧~
+import turtle
+screen=turtle.Screen()
+screen.bgcolor("light blue")
+len=10
+pen=turtle.Pen()
+pen.write("你好\.",font=("Times",30,"normal"))tle()
+a=screen.textinput("提示""你想要多大的爱❤")
+len=int(a)
+Pen=lift
+pen1.penup()
+pen1.goto(100,-100)
+pen1.pendown()
+pen1.pensize(5)
+pen1.pencolor("red")
+pen1.left(45)
+pen1.forward(2*len)
+pen1.circle(len,180)
+pen1.right(90)
+pen1.circle(len,180)
+pen1.forward(2*len)
+turtle.done()
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