use cowsay library to show user-supplied text

Author: AliQassab

implement-cowsay/cow.py

@@ -0,0 +1,13 @@
+
+import argparse
+import cowsay
+
+parser = argparse.ArgumentParser(
+    prog="cowsay",
+    description="Make animals say things",
+)
+parser.add_argument("--animal", default="cow", help="The animal to be saying things.", choices=cowsay.char_names)
+parser.add_argument("message", nargs="+", help="The message to say.")
+args = parser.parse_args()
+
+cowsay.char_funcs[args.animal](" ".join(args.message))