save project

1.py

+i=3
 username = "python"    # 保存在服务器数据库中的用户账号（正确的账号）
 username = "python"    # 保存在服务器数据库中的用户账号（正确的账号）
 userpassword = "123456"    # 保存在服务器数据库中的用户密码（正确的密码）
 userpassword = "123456"    # 保存在服务器数据库中的用户密码（正确的密码）
 while True:
 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
-    elif name!=username:
-        print("用户名错误！")
-        continue
+    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
+        elif name!=username:
+            print("用户名错误！")
+            continue
+        else:
+            userpassword!=password
+            print("密码错误！")
     else:
     else:
-        userpassword!=password
-        print("密码错误！")
-print("欢迎来到贝尔编程!")
-    
+        print("叫爸爸,给你解锁!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!")
+        exit()
+        
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