save project

diy2.py

+i = 3
+username = "python"
+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("登录成功!")
+            break   
+        if name !=username:
+            print("用户名错误!请重新输入")
+            print("你还有"+str(i)+"次登录机会")
+            continue    
+        if password !=userpassword:
+            print("密码输入错误!请重新输入")
+            print("你还有"+str(i)+"次登录机会")
+    else: 
+        print("你的账号已被锁定，请一小时后再试")
+        exit()
+print("欢迎进入贝尔编程")
+
+
+