save project

diy2.py

+i=3
 username = "python"
 username = "python"
 userpassword = "123456"
 userpassword = "123456"
 while True:
 while True:
-    name=input("请输入用户名")
-    if name !=username:
-        continue
-        print("用户名输入错误，请重新输入")
-    password=input("请输入密码：")
-    if password !=userpassword:
-        continue
-        print("密码输入错误，请重新输入")
-    if name == username and password == userpassword:
-        print("登录成功！")
-        break
+    if i>0:
+        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
+        i-=1
+        if name !=username:
+            continue
+            print("用户名输入错误，请重新输入")
+        if password !=userpassword:
+            print("密码输入错误，请重新输入")
+    else:
+        print("你的账户已被锁定，请带身份证解锁")
+        exit()
 print("欢迎")
 print("欢迎")
\ No newline at end of file