diff --git a/module3/exo3/Playfair_Graph_Analysis.xlsx b/module3/exo3/Playfair_Graph_Analysis.xlsx new file mode 100644 index 0000000000000000000000000000000000000000..a9d2070889c419c833c56d1a8b2abf6d83b487e9 Binary files /dev/null and b/module3/exo3/Playfair_Graph_Analysis.xlsx differ