Bullfight (Python): Refactoring

* Add Unit Test
* Add Type Annotations
* Use variable/function names

17_Bullfight/python/test_bullfight.py

@@ -0,0 +1,16 @@
+import io
+
+from _pytest.monkeypatch import MonkeyPatch
+from bullfight import main
+
+
+def test_main(monkeypatch: MonkeyPatch) -> None:
+    instructions = "Y"
+    kill_bull = "YES"
+    kill_method = "0"
+    run_from_ring = "YES"
+    monkeypatch.setattr(
+        "sys.stdin",
+        io.StringIO(f"{instructions}\n{kill_bull}\n{kill_method}\n{run_from_ring}\n"),
+    )
+    main()