run chapter 1 examples

the basics of using Jupyter Notebook.

Author: shelly77

.DS_Store

@@ -236,7 +236,25 @@
    ]
   }
  ],
- "metadata": {},
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3",
+   "language": "python",
+   "name": "python3"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.7.4"
+  }
+ },
  "nbformat": 4,
  "nbformat_minor": 2
 }

chapter01_basic/.DS_Store

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