Update README.md

StephanieStallworth · web-flow · commit 7ea0f4dee27a · 2017-09-25T11:17:25.000-04:00
diff --git a/README.md b/README.md
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 - Subplots  
 - Customizing plot appearance
 
+**FiveThirtyEight Visualizations with Matplotlib**
+- Customizing tick marks and axes
+- Adding titles and subtitles
+- Adding a signature bar
+
 **NumPy and Pandas for 1D and 2D Data** 
 - Similarities & differences  
 - Pearson's r function
