save project

diy2.py

 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("请输入密码:")
     password = input("请输入密码:")
+    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
     elif name != username:
     elif name != username:
         print("用户名不存在,请重新输入!")
         print("用户名不存在,请重新输入!")
+        print("温馨提示：您还有"+ str(i)+"次登录机会")
     else:
     else:
         print("密码输入有误,请重新输入！")
         print("密码输入有误,请重新输入！")
+        print("温馨提示：您还有"+str(i)+"次登录机会")
+    
+
+        
+
 print("欢迎来到贝尔编程!")
 print("欢迎来到贝尔编程!")
\ No newline at end of file