save project

diy2.py

 username = "python"
 username = "python"
 userpassword = "123456"
 userpassword = "123456"
+i=3
 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("账号错误")
-        continue
-    if password!= 123456:
-        print("密码错误")
+    if i > 0:
+        print("剩余的次数"+str(i))
+        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("账号错误")
+            continue
+        if password!= 123456:
+            print("密码错误")
+    else:
+        print("账号已锁定")
 print("欢迎来到贝尔编程!")
 print("欢迎来到贝尔编程!")
\ No newline at end of file