.PHONY: test PYTHON=python test: ${PYTHON} test_0.py ${PYTHON} test_1.py ${PYTHON} test_2a.py ${PYTHON} test_2b.py ${PYTHON} test_3.py ${PYTHON} test_4.py ${PYTHON} test_5.py
.PHONY: test PYTHON=python test: ${PYTHON} test_0.py ${PYTHON} test_1.py ${PYTHON} test_2a.py ${PYTHON} test_2b.py ${PYTHON} test_3.py ${PYTHON} test_4.py ${PYTHON} test_5.py