Improve python lib tutorials

1_numpy_matplotlib_scipy_sympy/2-matplotlib_tutorial.ipynb

@@ -18,8 +18,10 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 11,
-   "metadata": {},
+   "execution_count": 1,
+   "metadata": {
+    "scrolled": true
+   },
    "outputs": [
     {
      "data": {
@@ -41,6 +43,7 @@
     "%matplotlib inline\n",
     "\n",
     "import matplotlib.pyplot as plt\n",
+    "\n",
     "plt.plot([1,2,3,4], '-*')\n",
     "plt.ylabel('some numbers')\n",
     "plt.show()"
@@ -48,7 +51,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 12,
+   "execution_count": 2,
    "metadata": {
     "lines_to_next_cell": 2
    },
@@ -56,10 +59,10 @@
     {
      "data": {
       "text/plain": [
-       "[<matplotlib.lines.Line2D at 0x7f1b287602e8>]"
+       "[<matplotlib.lines.Line2D at 0x7f5b3779f128>]"
       ]
      },
-     "execution_count": 12,
+     "execution_count": 2,
      "metadata": {},
      "output_type": "execute_result"
     },
@@ -435,18 +438,14 @@
    "source": [
     "## 3. References\n",
     "\n",
-    "\n",
+    "* [Matplotlib 教程](https://www.runoob.com/w3cnote/matplotlib-tutorial.html)\n",
     "* [Pyplot tutorial](https://matplotlib.org/users/pyplot_tutorial.html)\n",
     "* [Image tutorial](https://matplotlib.org/users/image_tutorial.html)\n",
-    "* [手把手教你用Python做数据可视化](https://mp.weixin.qq.com/s/3Gwdjw8trwTR5uyr4G7EOg)"
+    "* [手把手教你用Python做数据可视化](https://mp.weixin.qq.com/s/3Gwdjw8trwTR5uyr4G7EOg)\n",
+    "* matplotlib Gallery\n",
+    "    - https://matplotlib.org/gallery.html\n",
+    "    - https://github.com/rasbt/matplotlib-gallery"
    ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
-   "source": []
   }
  ],
  "metadata": {

1_numpy_matplotlib_scipy_sympy/test.txt

@@ -0,0 +1 @@
+Hello world!

References.md

@@ -18,3 +18,5 @@
 * 一款图像转卡通的Python项目，超级值得你练手
 	- https://www.toutiao.com/a6821299115175969287/
 	- https://github.com/minivision-ai/photo2cartoon
+
+* [Awesome Deep Learning Project Ideas](https://github.com/NirantK/awesome-project-ideas)