2017.1.7 small edit on lesson 5

yijun_latitude · yijun_latitude · commit 88ad066a9515 · 2017-01-07T20:54:19.000+08:00
diff --git a/python_basic/python_basic_lesson_05.ipynb b/python_basic/python_basic_lesson_05.ipynb
@@ -245,7 +245,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 12,
+   "execution_count": 3,
    "metadata": {
     "collapsed": false
    },
@@ -262,12 +262,14 @@
        " 'r2c1']"
       ]
      },
-     "execution_count": 12,
+     "execution_count": 3,
      "metadata": {},
      "output_type": "execute_result"
     }
    ],
    "source": [
+    "import os\n",
+    "\n",
     "# 列出当前目录下所有文件\n",
     "\n",
     "# windows\n",
