diff --git a/Digital_History/Week4-Introduction-to-data-visualization-and-graphs-with-matplotlib/Module 3_ Visualization and Graphs.pdf b/Digital_History/Week4-Introduction-to-data-visualization-and-graphs-with-matplotlib/Module 3_ Visualization and Graphs.pdf
new file mode 100644
index 0000000..a893fd3
Binary files /dev/null and b/Digital_History/Week4-Introduction-to-data-visualization-and-graphs-with-matplotlib/Module 3_ Visualization and Graphs.pdf differ