save project

5.py

-username = "python"
-userpassword = "123456"
-while True:
-    name = input("请输入用户名:")
-    password = input("请输入密码:")
-    if name == username and password == userpassword:
-        break
-    print("用户名和密码错误!请重新输入")
-    if name != username:
-        print("您输入的用户名错误")
-    if password != userpassword:
-        print("您输入的密码错误")
-        print("登录成功!")
+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("您输入的用户名错误请重新输入")
\ No newline at end of file
+            continue
+        if password != userpassword:
+            print("您输入的密码错误请重新输入")
+    else:
+        print("账户已锁定")
+        exit()
+print("欢迎来到贝尔编程！")
\ No newline at end of file