save project

diy2.py

 username = "python"
 username = "python"
 userpassword = "123456"
 userpassword = "123456"
 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
-    else:
-        if name != username:
-            print("用户名错误")
-            continue
-        if password!=userpassword:
-            print("密码错误")
-            continue
+    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=i-1
+            if name != username:
+                print("用户名错误")
+                continue
+            if password!=userpassword:
+                print("密码错误")
+        else:
+            print("你的账号已锁定")
+            exit()
+        
\ No newline at end of file