save project

diy2.py

+i=3
 username = "qxx"
 username = "qxx"
 userpassword = "19970105"
 userpassword = "19970105"
 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!")
-        break
-    if name!=username:
-        print("用户名输入错误！！")
-        continue
-    if password != userpassword:
-        print("密码输入错误！！")
-        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("登录成功!")
+            break
+        if name!=username:
+            print("用户名输入错误！！")
+            continue
+        if password != userpassword:
+            print("密码输入错误！！")
+        else:
+           print("您的帐户已锁定,") 
+           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