diff --git a/.gitignore b/.gitignore
index 68ca39690..35db47f33 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,23 +11,3 @@ tex2pdf*
 .coverage
 .idea
 .vscode
-02_crowsnest/crowsnest.py
-03_picnic/picnic.py
-04_jump_the_five/jump.py
-05_howler/howler.py
-06_wc/wc.py
-07_gashlycrumb/gashlycrumb.py
-08_apples_and_bananas/apples.py
-09_abuse/abuse.py
-10_telephone/telephone.py
-11_bottles_of_beer/bottles.py
-12_ransom/ransom.py
-13_twelve_days/twelve_days.py
-14_rhymer/rhymer.py
-15_kentucky_friar/friar.py
-16_scrambler/scrambler.py
-17_mad_libs/mad.py
-18_gematria/gematria.py
-19_wod/wod.py
-20_password/password.py
-21_tictactoe/tictactoe.py
diff --git a/02_crowsnest/crowsnest.py b/02_crowsnest/crowsnest.py
new file mode 100644
index 000000000..9d10d7097
--- /dev/null
+++ b/02_crowsnest/crowsnest.py
@@ -0,0 +1,42 @@
+#!/usr/bin/env python3
+"""
+Author : amolgawai <amolgawai@localhost>
+Date   : 2021-01-11
+Purpose: say ahoy <article><word>
+"""
+
+import argparse
+
+
+# --------------------------------------------------
+def get_args():
+    """Get command-line arguments"""
+
+    parser = argparse.ArgumentParser(
+        description="say ahoy <article><word>",
+        formatter_class=argparse.ArgumentDefaultsHelpFormatter,
+    )
+
+    parser.add_argument(
+        "positional", metavar="word", help="tell what object do you see"
+    )
+
+    return parser.parse_args()
+
+
+# --------------------------------------------------
+def main():
+    """Make a jazz noise here"""
+
+    args = get_args()
+    word = args.positional
+    vowels = ("a", "e", "i", "o", "u", "A", "E", "I", "O", "U")
+    article = "a"
+    if word.startswith(vowels):
+        article = "an"
+    print(f"Ahoy, Captain, {article} {word} off the larboard bow!")
+
+
+# --------------------------------------------------
+if __name__ == "__main__":
+    main()
diff --git a/poetry.lock b/poetry.lock
new file mode 100644
index 000000000..eb779bbb5
--- /dev/null
+++ b/poetry.lock
@@ -0,0 +1,952 @@
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+
+[[package]]
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+
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+
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+
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+
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+
+[[package]]
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+name = "backcall"
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+
+[[package]]
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+doc = ["Sphinx (>=1.3)"]
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+
+[[package]]
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+name = "ipython-genutils"
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+version = "0.2.0"
+
+[[package]]
+category = "dev"
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+name = "isort"
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+
+[package.extras]
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+
+[[package]]
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+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
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+[package.extras]
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+testing = ["Django (<3.1)", "colorama", "docopt", "pytest (>=3.9.0,<5.0.0)"]
+
+[[package]]
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+description = "A fast and thorough lazy object proxy."
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+optional = false
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+[[package]]
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+[[package]]
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+marker = "sys_platform != \"win32\""
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+[package.dependencies]
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+[[package]]
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+
+[[package]]
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+
+[package.dependencies]
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+[package.extras]
+dev = ["pre-commit", "tox"]
+
+[[package]]
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+description = "Library for building powerful interactive command lines in Python"
+name = "prompt-toolkit"
+optional = false
+python-versions = ">=3.6.1"
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+
+[package.dependencies]
+wcwidth = "*"
+
+[[package]]
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+
+[[package]]
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+yapf = ["yapf"]
+
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diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 000000000..73e504ee0
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,23 @@
+[tool.poetry]
+name = "tiny_python_projects"
+version = "0.1.0"
+description = "practicing the examples from the book - Tiny Python Projects"
+authors = ["Amol Gawai <5114143+amolgawai@users.noreply.github.com>"]
+
+[tool.poetry.dependencies]
+python = "^3.7"
+
+[tool.poetry.dev-dependencies]
+black = "^20.8b1"
+flake8 = "^3.8.3"
+pylint = "^2.6.0"
+ipython = "^7.19.0"
+pytest = "^6.2.1"
+coverage = {version = "^5.3.1", extras = ["toml"]}
+python-language-server = "^0.36.2"
+pytest-testmon = "^1.0.3"
+pytest-sugar = "^0.9.4"
+
+[build-system]
+requires = ["poetry>=0.12"]
+build-backend = "poetry.masonry.api"