diff --git a/poetry.lock b/poetry.lock
new file mode 100644
index 0000000..a901639
--- /dev/null
+++ b/poetry.lock
@@ -0,0 +1,34 @@
+# This file is automatically @generated by Poetry 2.2.1 and should not be changed by hand.
+
+[[package]]
+name = "click"
+version = "8.1.8"
+description = "Composable command line interface toolkit"
+optional = false
+python-versions = ">=3.7"
+groups = ["main"]
+files = [
+    {file = "click-8.1.8-py3-none-any.whl", hash = "sha256:63c132bbbed01578a06712a2d1f497bb62d9c1c0d329b7903a866228027263b2"},
+    {file = "click-8.1.8.tar.gz", hash = "sha256:ed53c9d8990d83c2a27deae68e4ee337473f6330c040a31d4225c9574d16096a"},
+]
+
+[package.dependencies]
+colorama = {version = "*", markers = "platform_system == \"Windows\""}
+
+[[package]]
+name = "colorama"
+version = "0.4.6"
+description = "Cross-platform colored terminal text."
+optional = false
+python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,!=3.5.*,!=3.6.*,>=2.7"
+groups = ["main"]
+markers = "platform_system == \"Windows\""
+files = [
+    {file = "colorama-0.4.6-py2.py3-none-any.whl", hash = "sha256:4f1d9991f5acc0ca119f9d443620b77f9d6b33703e51011c16baf57afb285fc6"},
+    {file = "colorama-0.4.6.tar.gz", hash = "sha256:08695f5cb7ed6e0531a20572697297273c47b8cae5a63ffc6d6ed5c201be6e44"},
+]
+
+[metadata]
+lock-version = "2.1"
+python-versions = ">=3.9"
+content-hash = "a342985ec12de86e05e4472dc581164e609722e70b66e59628db724d2e046329"
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..f8f9c60
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,18 @@
+#how the project is built
+[build-system]
+requires = ["setuptools>=61.0"]
+build-backend = "setuptools.build_meta"
+
+#project's metadata
+[project]
+name = "githelp"
+version = "0.1.0"
+description = "example CLI using Click."
+authors = [{ name = "Jimmy Zhang", email = "jimmy_zhang@uri.edu" }]
+readme = "README.md"
+requires-python = ">=3.9"
+dependencies = ["click>=8.1"]
+
+#this creates the 'githelp' command
+[project.scripts]
+githelp = "githelp.cli:githelp_cli"
\ No newline at end of file
diff --git a/src/githelp/_init_.py b/src/githelp/_init_.py
new file mode 100644
index 0000000..469e977
--- /dev/null
+++ b/src/githelp/_init_.py
@@ -0,0 +1,2 @@
+__all__ = ["__version__"]
+__version__ = "0.1.0"
\ No newline at end of file
diff --git a/src/githelp/cli.py b/src/githelp/cli.py
new file mode 100644
index 0000000..74afbeb
--- /dev/null
+++ b/src/githelp/cli.py
@@ -0,0 +1,12 @@
+import click
+from .greeter import make_greeting
+
+#declare the click command
+#the text in help show up in the githelp --help
+@click.command(help="Say hello from githelp.")
+@click.option("--name", "-n", default="World", show_default=False, help="Who to greet.")
+#here there is a boolean flag pair --shout/--no-shout"
+@click.option("--shout/--no-shout", default=False, show_default=False, help="End with an exclamation mark.")
+#click auto parse the value
+def githelp_cli(name: str, shout: bool) -> None:
+    click.echo(make_greeting(name, shout))
\ No newline at end of file
diff --git a/src/githelp/greeter.py b/src/githelp/greeter.py
new file mode 100644
index 0000000..d4a4321
--- /dev/null
+++ b/src/githelp/greeter.py
@@ -0,0 +1,6 @@
+def make_greeting(name, shout = False):
+    if(shout):
+        suffix = "!"
+    else:
+        suffix = "."
+    return f"Hello, {name}{suffix}"
\ No newline at end of file