save project

diy2.py

-username = "python"
-userpassword = "123456"
+username = "13255423046"
+userpassword = "12345678qq"
 i=3
-while True:
+while i>=0:
+    if i==0:
+        print('你的账户已锁定')
+        exit()
     name = input("请输入用户名:")
     if name ==username:
         break
     else:
         print('用户名错误，请重新输入')
-while i>0:
-    password = input("请输入密码:")
+        i-=1
+        print('你还有',i,'次机会')
+        continue
+while i>=0:
     if i==0:
         print('你的账户已锁定')
         exit()
-    if password !=userpassword:
-        print('密码错误，请重新输入')
-        i-=1
-        continue
-    if name == username and password == userpassword:
+    password = input("请输入密码:")
+    if password ==userpassword:
         print("登录成功!")
         print("欢迎来到贝尔编程!")
         break
+        break
+    else:
+        print('密码错误，请重新输入')
+        i-=1
+        print('你还有',i,'次机会')
+        continue
+    
+