save project

diy2.py

+i=3
 username = "sb"
 username = "sb"
 userpassword = "250"
 userpassword = "250"
 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 and password != userpassword:
-        print("用户名和密码错误!请重新输入")
-        continue
-    if name != username and password == userpassword:
-        print("用户名错误，请重新输入")
-        continue
-    if password != userpassword and name == username:
-        print("密码错误，请重新输入")
-        continue
+    if i > 0:
+        name = input("请输入用户名:")
+        password = input("请输入密码:")
+        i = i - 1
+        if name == username and password == userpassword:
+            print("登录成功!")
+            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")
+            continue
+        if name != username and password != userpassword:
+            print("用户名和密码错误!请重新输入")
+            continue
+    else:
+        print("您的帐号已被锁定，其本人去附近的小卖铺解锁")
+        exit()
 print("欢迎来到贝尔编程!")
 print("欢迎来到贝尔编程!")
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