save project

diy2.py

+i=3
 username = "SB"
 username = "SB"
 userpassword = "SB"
 userpassword = "SB"
 while True:
 while True:
-    if i=3
-bre    name = input("请输入用户名:")
+    if i>0:
+        name = input("请输入用户名:")
         password = input("请输入密码:")
         password = input("请输入密码:")
+        i-=1
         if name == username and password == userpassword:
         if name == username and password == userpassword:
             print("登录成功!")
             print("登录成功!")
-    b
-    print("用户名和密码错误!请重新输入")
+            break
+        if name !=username:
+            print("用户名错误,请重新输入")
+            continue
+        if password !=userpassword:
+            print("密码错误!请重新输入")
+    else:
+        print("你的账号已被锁定，请一个小时以后再来")
+        exit()
 print("欢迎来到贝尔编程!")
 print("欢迎来到贝尔编程!")
\ No newline at end of file