save project

aa.py

+i=3
+username = "sB"
+userpassword="12345678" 
+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("sb登录成功")
+            break
+        if name != username:
+            print("用户不存在！重新输入！")
+            continue
+        if usepassword != userpassword:
+            print("输入错误，请重新输入")
+    else:
+        print("你的账户被锁定，请到sB公司解锁")
+        exit()    
+print("欢迎来到贝尔编程器")
\ No newline at end of file