save project

2-4-diy3.py

-username = "python"
-userpassword = "123456"
-i=3
-while True:
-    if i>0:
-        name = input("请输入用户名:")
-        password = input("请输入密码:")
-        i-=1
-        if name == username and password == userpassword:
-            print("登录成功!")
-            break
+import turtle
+pen=turtle.Pen()
+a=5
+pen.speed(50)
+pen.color("blue")
+for i in range(300):
+    pen.forward(a)
+    pen.left(91)
+    a+=1
+turtle.done()
\ No newline at end of file
-        if name != username:
-            print("用户名不存在,请重新输入!")
-            continue
-        if  password != userpassword:
-            print("密码输入有误,请重新输入!")
-    else:
-        print("次数用完，已锁定")
-        exit()        
-print("欢迎来到贝尔编程!")
\ No newline at end of file