diff --git a/Exo 1/Question1.sce b/Exo1/Question1.sce
similarity index 100%
rename from Exo 1/Question1.sce
rename to Exo1/Question1.sce
diff --git a/Exo 1/Question2.sce b/Exo1/Question2.sce
similarity index 100%
rename from Exo 1/Question2.sce
rename to Exo1/Question2.sce
diff --git a/Exo 1/Question3.sce b/Exo1/Question3.sce
similarity index 100%
rename from Exo 1/Question3.sce
rename to Exo1/Question3.sce
diff --git a/Exo 1/Question4.sce b/Exo1/Question4.sce
similarity index 100%
rename from Exo 1/Question4.sce
rename to Exo1/Question4.sce
diff --git a/Exo 2/Question1.sce b/Exo2/Question1.sce
similarity index 100%
rename from Exo 2/Question1.sce
rename to Exo2/Question1.sce
diff --git a/Exo 3/Exo3.sce b/Exo2/Question2.sce
similarity index 100%
rename from Exo 3/Exo3.sce
rename to Exo2/Question2.sce
diff --git a/Exo 4/Exo4.sce b/Exo3/Exo3.sce
similarity index 100%
rename from Exo 4/Exo4.sce
rename to Exo3/Exo3.sce
diff --git a/Exo4/Exo4.sce b/Exo4/Exo4.sce
new file mode 100644
index 0000000..e69de29