save project

diy2.py

+i = 3
 username = "python"
 username = "python"
 userpassword = "123456"
 userpassword = "123456"
 while True:
 while True:
-    name = input("请输入用户名:")
-    password = input("请输入密码:")
-    if name == username and password == userpassword:
-        print("登录成功!")
-        break
-    elif name != username:
-        print("用户名不存在，请重新输入！")
+    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
+        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:
     else:
-        print("密码输入有误，请重新输入！")
+        print("你的账户已被锁定，请一个小时以后再来")
+        exit()
 print("欢迎来到贝尔编程!")
 print("欢迎来到贝尔编程!")

py2.py

+import turtle
+
+pen=turtle.Pen()
+distance=1
+for i in range(300):
+    pen.forward(distance)
+    distance+=1
+    pen.right(91)
+pen.hideturtle()
+turtle.done()
+