save project

diy1.py

+i=3
 username = "python"
 username = "python"
 userpassword = "123456"
 userpassword = "123456"
 while True:
 while True:
+    if i>0
         name = input("请输入用户名：")
         name = input("请输入用户名：")
         password = input("请输入用密码：")
         password = input("请输入用密码：")
+        i-=1
         if name == username and password == userpassword
         if name == username and password == userpassword
              print("登录成功！")
              print("登录成功！")
              break
              break
         if name!=username:
         if name!=username:
-    print("用户名错误，请重")
+            print("用户名错误，请重新输入")
+            print("还有"+str(i)+"次机会)"
             continue
             continue
         if password!=userpassword:
         if password!=userpassword:
             print("密码错误！请重新输入")
             print("密码错误！请重新输入")
+            print("还有"+str(i)+"次机会)"
+    else:
+        print("错误次数超限")
+        exit()
 print("欢迎来到贝尔编程")
 print("欢迎来到贝尔编程")