save project

diy2.py

 username = "python"
 username = "python"
 userpassword = "123456"
 userpassword = "123456"
+i=3
 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=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("你输入的账号有误，再输入一次")
             print("你输入的账号有误，再输入一次")
+            print("还有"+str(i)+"次机会")
             continue
             continue
         if password!=userpassword:
         if password!=userpassword:
             print("你输入的密码错误，再输入一次")
             print("你输入的密码错误，再输入一次")
+            print("还有"+str(i)+"次机会")
+    else:
+        print("账号冻结")
+        exit()
 print("欢迎来到贝尔编程!")
 print("欢迎来到贝尔编程!")
\ No newline at end of file