diff --git a/Les 3/3-1.py b/les 3/3-1.py
similarity index 100%
rename from Les 3/3-1.py
rename to les 3/3-1.py
diff --git a/Les 3/3-2.py b/les 3/3-2.py
similarity index 100%
rename from Les 3/3-2.py
rename to les 3/3-2.py
diff --git a/Les 3/3-3.py b/les 3/3-3.py
similarity index 100%
rename from Les 3/3-3.py
rename to les 3/3-3.py
diff --git a/Les 3/test.py b/les 3/test.py
similarity index 100%
rename from Les 3/test.py
rename to les 3/test.py