save project

01.py

+i=3
+username="python"
+userpassword="123456"
+while True:
+    if i>0:
+        name=input("请输入账号名：")
+        i-=1
+        if  name != username:
+            print("用户名错误,请重新登陆")
+            continue
+        password=input("请输入密码：")
+        if  password != userpassword:
+            print("用户名错误,请重新登陆") 
+            continue
+        print("登陆成功") 
+        print("欢迎来到贝尔编程！") 
+    else: 
+        print("已锁定")
+        
+        break
+print("欢迎来到贝尔编程！") 
\ No newline at end of file