Add fortune cow

fortune_cow.py

+#!/usr/bin/env python3
+import subprocess
+from typing import Optional
+
+
+def _run(executable: str, argument: Optional[str] = None) -> str:
+    cmd = [executable, argument] if argument else [executable]
+
+    result = subprocess.run(cmd, capture_output=True, text=True, check=True)
+
+    return result.stdout.strip()
+
+
+def get_fortune() -> str:
+    return _run("/usr/games/fortune")    
+
+
+def get_cowsay(text: str) -> str:
+    return _run("/usr/games/cowsay", text)
+
+
+if __name__ == "__main__":
+    fortune_text = get_fortune()
+    cow_saying_fortune = get_cowsay(fortune_text)
+
+    print()
+    print("And the cow of the day says:")
+    print(cow_saying_fortune)