feat: a little more math

Makefile

@@ -3,8 +3,15 @@ install:
 	pip install --upgrade pip
 	pip install -r requirements.txt
 
+save:
+	pip freeze > requirements.txt
+
 run:
 	python src/main.py
 
 test:
 	python -m pytest -v
+
+setenv:
+	python -m venv venv
+	source venv/bin/activate