save project

diy2.py

+i=3
 username = "python"
 userpassword = "123456"
 while True:
+i=1
     name = input("请输入用户名:")
     password = input("请输入密码:")
     if name == username and password == userpassword:
@@ -8,8 +10,14 @@ while True:
         break
     if name !=username:
         print("用户名不正确")  
+        continue 
+    i=i-1  
     if password !=userpassword:
         print("密码不正确")
+    i=i-1
+if i=0     
+    print("以后再来")
+    break
 
 
 print("欢迎来到贝尔编程!")
\ No newline at end of file