save project

g.py

+user="6"
+mima="1111"
+while True:
+    user1=input("用户名")
+    mima1=input("密码") 
+    if user1==user and mima1==mima:
+        print("登录成功")
+        break
+    elif user1!=user:
+        print("用户名错误")
+    else:
+        mima1!=mima
+        print("密码错误")
+
+print("欢迎登录")
\ No newline at end of file