auto save

diy2.py

-username = "python"
-userpassword = "123456"
+username = "cjl"
+userpassword = "123e456"
 while True:
 while True:
     name = input("请输入用户名:")
     name = input("请输入用户名:")
-    z
+    if name != username :
+        continue    
+        print("错误")
     password = input("请输入密码:")
     password = input("请输入密码:")
+    
+    if password != userpassword :       
+        print("错误")
+        continue
+         
+        
     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 password != userpassword :
-        print("sb")
+