lzhanggit
diff --git a/‎week10_exercise_matplotlib.ipynb
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diff --git a/‎week10_matplotlib.ipynb
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diff --git a/‎week3_exercise.ipynb
Lines changed: 1 addition & 1 deletion b/‎week3_exercise.ipynb
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diff --git a/‎week8_Pandas_2.ipynb
Lines changed: 1 addition & 1 deletion b/‎week8_Pandas_2.ipynb
Lines changed: 1 addition & 1 deletion
@@ -246,7 +246,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.7.1"
+   "version": "3.7.6"
   }
  },
  "nbformat": 4,
 
@@ -457,7 +457,7 @@
    "source": [
     "# Find the safest brand for each vehicle type (one line)\n",
     "\n",
-    "cars.groupby('brand').accidents.agg(s=np.sum, m=np.mean)"
+    "cars.groupby('brand').accidents.agg(s=np.sum, m=np.mean)dirty_brands.unstack()dirty_brands.unstack()"
    ]
   },
   {
Original file line number	Diff line number	Diff line change
`@@ -457,7 +457,7 @@`
`457`	`457`	`"source": [`
`458`	`458`	`"# Find the safest brand for each vehicle type (one line)\n",`
`459`	`459`	`"\n",`
`460`		`- "cars.groupby('brand').accidents.agg(s=np.sum, m=np.mean)"`
	`460`	`+ "cars.groupby('brand').accidents.agg(s=np.sum, m=np.mean)dirty_brands.unstack()dirty_brands.unstack()"`
`461`	`461`	`]`
`462`	`462`	`},`
`463`	`463`	`{`