@with_setup(prepare_env)
def test_strings_have_heads_and_tails():

    assert_equals('"f"', interpret('(head "foobar")'))
    assert_equals('"oobar"', interpret('(tail "foobar")'))
Next, `head` and `tail` needs to extract the first character and the rest
dataset/ETHPy150Open kvalle/diy-lisp/tests/test_8_final_touches.py/test_strings_have_heads_and_tails