save project

bug.py

 username="python"
 userpassword="123456"
-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")
\ No newline at end of file
+a=5
+while True:
+    if a>0:
+        name=input("请输入用户名：")
+        password=input("请输入密码:")
+        a=a-1
+        if name==username and password==userpassword :
+            print("登录成功")
+        else:
+            print("请重新输入")
+            print("您还有"+str(a)+"次机会")
+    else:
+        print("账户已锁定")
+        break
\ No newline at end of file