save project

diy2.py

 i=3
-username = "pythotn"
-userpassword = "123456"
+word="gun"
+words="12344321"
 while True:
-    i-=1
-    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
-    elif name != username:
-        print("用户名错误，请重新输入")
-        print("你还剩"+str(i)+"机会")
+    if i>0:
+        words=input("请输入用户名")
+        wordes=input("请输入密码") 
+        i=i-1
+        if word==words and words==wordes:
+            print("登录成功")
+            break 
+        if word!=words:
+            print("用户名错误,请重新输入")
+            print("你还剩"+str(i)+"次机会")
+            continue
+        if words!=wordes:
+            print("密码错误，请重新输入")
+            print("你还剩"+str(i)+"次机会")
     else:
-        print("密码错误，请重新输入")
-        print("你还剩"+str(i)+"机会")
-print("欢迎来到贝尔编程!")
\ No newline at end of file
+        print("你的账户已锁定")
+        exit()
+print("欢迎来到贝尔")   
\ No newline at end of file