auto save

p.py

+user="依依"
+mima="1111"
+while True:
+    user1=input("请输入用户名:")
+    mima1=input("请输入密码:")
+    if  user1!=user :    
+        print("用户名错误")
+        continue
+    if  mima1!=mima:
+        print("密码错误")
+    
+
+    if user1==user and  mima1==mima: 
+        print("登陆成功")  
+        break 
+print("欢迎回来")