save project

diy1.py

-username = "python"    # 保存在服务器数据库中的用户账号（正确的账号）
-userpassword = "123456" 
+username = "python"   
+userpassword = "123456"
+i=3 
 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("登录成功")
-        print("SB世界")
-        break
-    if name != username:
-        print("用户名错误")
-    if userpassword != "123456":
-        print("密码错误")
+    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")
+            print("SB世界")
+            break
+        if name != username:
\ No newline at end of file
+            print("温馨提示，你还剩"+str(i)+"机会")
+            print("用户名错误")
+        if userpassword != "123456":
+            print("温馨提示，你还剩"+str(i)+"机会")
+            print("密码错误")
+        if name != username and userpassword != "123456":
+            print("温馨提示，你还剩"+str(i)+"机会")
+            print("密码错误还有用户名错误")
+    else:
+        print("你是SB")
+        exit()
+        
\ No newline at end of file