diff --git a/module2/exo4/Donnees_Module_2_Exercice_2_Partie_4.txt b/module2/exo4/Donnees_Module_2_Exercice_2_Partie_4.txt
new file mode 100644
index 0000000000000000000000000000000000000000..c0457858c926350d0dd4240366bbe6c988135b8c
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+++ b/module2/exo4/Donnees_Module_2_Exercice_2_Partie_4.txt
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+Référence tir   	Puissance laser (W)	Atmosphère	Pression initiale (bar)	Surpression (bar/mg)	Vitesse (bar/s/mg)
+N10-12-500-1	2.86	Air	10	0.00634208	0.075422292
+N10-12-500-2	2.86	Air	10	0.002079966	0.037015534
+N10-12-500-3	2.86	Air	10	0.002769917	0.021467145
+N20-12-500-1	2.86	Air	20	0.086854409	2.232223366
+N20-12-500-2	2.86	Air	20	0.062615992	1.548215715
+N20-12-500-3	2.86	Air	20	0.064187945	0.651608769
+N30-12-500-1	2.86	Air	30	0.106571482	1.024976854
+N30-12-500-2	2.86	Air	30	0.08183314	0.745670126
+N30-12-500-3	2.86	Air	30	0.076568337	0.733308464
+N40-12-500-1	2.86	Air	40	0.146803673	1.764585441
+N40-12-500-2	2.86	Air	40	0.071266697	0.793703803
+N40-12-500-3	2.86	Air	40	0.160282052	2.214861855
+N50-12-500-1	2.86	Air	50	0.155728105	1.992740031
+N50-12-500-2	2.86	Air	50	0.154097601	2.006412771
+N50-12-500-3	2.86	Air	50	0.138716932	2.015395924
+N60-12-500-3	2.86	Air	60	0.186977773	2.926685113
+N60-12-500-2	2.86	Air	60	0.181036497	2.931294561
+N60-12-500-4	2.86	Air	60	0.19349663	3.323436649