save project

diy2.py

+username = "p"
+userpassword = "1"
+while True:
+    name = input("请输入用户名:")
+    password = input("请输入密码:")
+    if name == username and password == userpassword:
+        print("登录成功!")
+        break
+    if name !=username:
+        print('姓名错误')  
+    if pessword != userpassword:
+        print('密码错误')     
+
+    else:
+        print('密码不正确，请重新输入！')
+
+
+
+
+
+
+
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+