Implement cowsay functionality with command-line interface

Author: mervereis

implement-cowsay/cow.py

@@ -0,0 +1,32 @@
+
+import argparse
+import cowsay
+
+def main():
+    parser = argparse.ArgumentParser(
+        prog="cowsay",
+        description="Make animals say things"
+    )
+
+    parser.add_argument(
+        "--animal",
+        choices=cowsay.char_names,
+        default="cow",
+        help="The animal to be saying things."
+    )
+
+    parser.add_argument(
+        "message",
+        nargs="+",
+        help="The message to say."
+    )
+
+    args = parser.parse_args()
+
+    message = " ".join(args.message)
+
+    print(cowsay.get_output_string(args.animal, message))
+
+
+if __name__ == "__main__":
+    main()

implement-cowsay/requirements.txt

@@ -0,0 +1,2 @@
+cowsay
+argparse