add a line of missing code in the demo

RenhaoL · RenhaoL · commit 3071cb68a7ac · 2021-11-18T22:36:14.000-05:00
diff --git a/docs/milestone2.ipynb b/docs/milestone2.ipynb
@@ -180,6 +180,7 @@
     ">>>3.72\n",
     "\n",
     "# use der to access the derivative value of the function\n",
+    "print(output_f1.der)\n",
     ">>>array([1.359, 2.718])"
    ]
   },

Original file line number	Diff line number	Diff line change
`@@ -180,6 +180,7 @@`
`180`	`180`	`">>>3.72\n",`
`181`	`181`	`"\n",`
`182`	`182`	`"# use der to access the derivative value of the function\n",`
	`183`	`+ "print(output_f1.der)\n",`
`183`	`184`	`">>>array([1.359, 2.718])"`
`184`	`185`	`]`
`185`	`186`	`},`