add watermark for env info

Author: demon386

learn-gan.ipynb

@@ -1,5 +1,37 @@
 {
  "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": 167,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "CPython 3.6.1\n",
+      "IPython 6.0.0\n",
+      "\n",
+      "torch 0.1.12_2\n",
+      "numpy 1.12.1\n",
+      "sklearn 0.18.1\n",
+      "\n",
+      "compiler   : GCC 4.2.1 Compatible Apple LLVM 8.1.0 (clang-802.0.38)\n",
+      "system     : Darwin\n",
+      "release    : 16.6.0\n",
+      "machine    : x86_64\n",
+      "processor  : i386\n",
+      "CPU cores  : 4\n",
+      "interpreter: 64bit\n"
+     ]
+    }
+   ],
+   "source": [
+    "# 代码运行环境\n",
+    "%load_ext watermark\n",
+    "%watermark -p torch,numpy,sklearn -v -m"
+   ]
+  },
   {
    "cell_type": "code",
    "execution_count": 4,