save project

diy2.py

-username = "ggggg"
-userpassword = "h"
+i=3
+username = "abc"
+userpassword = "ABC"
 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("用户名错误!")
-        continue
-    if password != userpassword:
-        print("密码错误")
+        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("用户名错误!")
+            i-=1
+        if password != userpassword:
+            print("密码错误!")
+            i-=1
+        if i<0:
+            print("账号已被锁定!")
+            exit()
 print("欢迎来到贝尔编程!")
 print("欢迎来到贝尔编程!")