save project

diy1.py

+i=3
+username ="pethon"
+userpassword = "123456"
+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("登入成功")
+            break
+        if name !=username:
+            print("用户名不存在，请重新输入")
+            print("温馨提示：您还有"+str(i)+"次登录机会")
+            continue
+        if password != userpassword:        
+            print("密码错误！请重新输入")
+            print("温馨提示：您还有"+str(i)+"次登录机会")
+    else:
+         print("你的账户被锁定，请一小时以后在来")        
+print("欢迎来到贝尔编程")