save project

diy2.py

+i = 1
 username = "python"
 userpassword = "123456"
-cishu=0
 while True:
-    if  not cishu>5:
+    if i>3:
         name = input("请输入用户名:")
         password = input("请输入密码:")
+        i=i-1
         if name == username and password == userpassword:
             print("登录成功!")
             break
         if name != username:
             print("用户名错误")
-            cishu=cishu-1
+            i=i-1
             print(str(cishu))
             continue
         if password != userpassword:
-            print("密码错误")
+            print("密码错误,请重新输入")
             cishu=cishu-1
             print(str(cishu))
-    else:
-        print("煞笔")
-        exit()
 print("欢迎来到贝尔编程!")
-i=3
-i=i-1
+
+