save project

diy2.py

@@ -6,4 +6,11 @@ while True:
     if name == username and password == userpassword:
     if name == username and password == userpassword:
         print("登录成功!")
         print("登录成功!")
     print("用户名和密码错误!请重新输入")
     print("用户名和密码错误!请重新输入")
+    if 
+
+
+
+
+
+
 print("欢迎来到贝尔编程!")
 print("欢迎来到贝尔编程!")
\ No newline at end of file

diy3.py

@@ -3,8 +3,12 @@ userpassword = "123456"
 while True:
 while True:
     username1=input("输入用户名")
     username1=input("输入用户名")
     password1 = input("请输入密码:")
     password1 = input("请输入密码:")
-    if username1==username and userpassword==password1:
+    if username1==username and password1==userpassword: 
         break
         break
     print("输入错误，请重新输入")
     print("输入错误，请重新输入")
+    if username1!=username:
+        print("用户名输入错误，请重新输入")
+    if  password1!=userpassword: 
+        print("密码输入错误，请重新输入")      
 print("欢迎来到贝尔编程")    
 print("欢迎来到贝尔编程")