Add .venv to gitignore

Author: Alex-Jamshidi

implement-cowsay/.gitignore

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+.venv/

implement-cowsay/cow.py

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+import cowsay
+import sys
+import argparse
+
+parser = argparse.ArgumentParser(
+    prog="cowsay",
+    description="Make animals say things",
+)
+
+parser.add_argument("--animal", choices=cowsay.char_names, help="The animal to be saying things.", default="cow")
+parser.add_argument("message", nargs="*", help="The message to say.")
+
+args = parser.parse_args()
+
+if args.animal not in cowsay.char_names:
+    sys.exit(f"Unknown animal: {args.animal!r}. Choose from: {', '.join(cowsay.char_names)}")
+
+cowsay.char_funcs[args.animal](" ".join(args.message))

implement-cowsay/requirements.txt

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+cowsay