save project

diy1.py

+i=3
 username = "liwenjie"
 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:
-        print("登入成功！")
-        break
-    if name!=username:
-        print("用户名不正确，请输入用户名")
-        continue
-    if password !=userpassword:
-        print("密码不正确，请重新输入")
-
-    print("欢迎来到贝尔编程!")
-else:
-    print("zh")
+    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("用户名不正确，请输入用户名")
+            continue
+        if password !=userpassword:
+            print("密码不正确，请重新输入")
+    else:
+        print("账号已冻结")
+        exit()
+print("欢迎来到贝尔编程!")
\ No newline at end of file