save project

diy2.py

@@ -6,7 +6,7 @@ while True:
     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 name != username:
+    elif name != username:
         print("用户名不存在，请重新输入！")
         print("用户名不存在，请重新输入！")
     else:    
     else:    
         if password != userpassword:
         if password != userpassword:

diy3.py

+username="戴安辰"
+userpassword="3.14159265358979323846264338327950288"
+name=input("请输入账号:")
+password=input("请输入密码:")
+if name==username and password==userpassword:
+    print("登录成功！！！")
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