refactor: python abandoned as not required enymore and rust project init

python-code/src/modules/__tests__/test_day_3.py

@@ -0,0 +1,11 @@
+from src.modules.day_3 import Engine
+
+
+def test_engine_parts():
+    engine = Engine(r"src/assets/day_3_test.txt")
+    assert engine.sum_part_numbers() == 4361
+
+
+def test_gear_ratio():
+    engine = Engine(r"src/assets/day_3_test.txt")
+    assert engine.get_gear_ratio() == 467835