diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..db6aff4
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,11 @@
+check: black flake8 mypy 
+	pytest -vvv --log-level debug
+
+black:
+	black --line-length=79 *.py
+
+flake8:
+	flake8 *.py
+
+mypy:
+	mypy --strict --disallow-any-explicit node.py avl.py wavl.py ravl.py