From 57b1fdc46e39b5366994886b9547d76513d23410 Mon Sep 17 00:00:00 2001
From: dingchaofei <dchaofei@163.com>
Date: Wed, 17 Jan 2018 15:18:31 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=94=B9=20or=20=E4=B8=BA=20and?=
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---
 python6/3.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/python6/3.md b/python6/3.md
index fdc17b9..758ac4d 100644
--- a/python6/3.md
+++ b/python6/3.md
@@ -9,7 +9,7 @@
 
 def sum(num1,num2):
 	# 两数之和
-	if not (isinstance (num1,(int ,float)) or isinstance (num2,(int ,float))):
+	if not (isinstance (num1,(int ,float)) and isinstance (num2,(int ,float))):
 		raise TypeError('参数类型错误')
 	return num1+num2