diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
new file mode 100644
index 0000000..36bab0d
--- /dev/null
+++ b/.github/workflows/lint.yml
@@ -0,0 +1,26 @@
+name: Lint
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+
+
+jobs:
+  lint_the_code:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Install poetry
+        run: pipx install poetry
+      - uses: actions/setup-python@v4
+        with:
+          python-version: 3.12
+          cache: "poetry"
+      - run: poetry run python --version
+      - run: poetry install
+      - run: poetry run black .
+      - run: poetry run isort .
+      - run: poetry run ruff check .
+      - run: poetry run pyright .
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
new file mode 100644
index 0000000..f91f516
--- /dev/null
+++ b/.github/workflows/test.yml
@@ -0,0 +1,23 @@
+name: Test
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+
+
+jobs:
+  test_the_code:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Install poetry
+        run: pipx install poetry
+      - uses: actions/setup-python@v4
+        with:
+          python-version: 3.12
+          cache: "poetry"
+      - run: poetry run python --version
+      - run: poetry install
+      - run: poetry run pytest
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..74af2a2
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,14 @@
+### Linux ###
+*~
+
+### macOS ###
+.DS_Store
+
+### Python ###
+__pycache__/
+
+### PyCharm ###
+.idea/
+
+### Visual Studio Code 
+.vscode/
diff --git a/add_day.sh b/add_day.sh
new file mode 100755
index 0000000..a2dfb5c
--- /dev/null
+++ b/add_day.sh
@@ -0,0 +1,19 @@
+#!/bin/bash
+
+# Check if an argument is provided
+if [ $# -eq 0 ]; then
+    echo "Usage: $0 <integer>"
+    exit 1
+fi
+
+day=$1
+
+if ! [[ $day =~ ^[0-9]+$ ]]; then
+    echo "Error: The provided day should be an integer."
+    exit 1
+fi
+
+mkdir adventofcode/day$day
+touch adventofcode/day$day/data.txt
+touch adventofcode/day$day/solution.py
+touch adventofcode/day$day/test_day$day.py
diff --git a/adventofcode/__init__.py b/adventofcode/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/adventofcode/day1/data.txt b/adventofcode/day1/data.txt
new file mode 100644
index 0000000..e69de29
diff --git a/adventofcode/day1/solution.py b/adventofcode/day1/solution.py
new file mode 100644
index 0000000..e69de29
diff --git a/adventofcode/day1/test_day1.py b/adventofcode/day1/test_day1.py
new file mode 100644
index 0000000..c765f73
--- /dev/null
+++ b/adventofcode/day1/test_day1.py
@@ -0,0 +1,3 @@
+
+def test_day1():
+    pass
\ No newline at end of file
diff --git a/cleanup.sh b/cleanup.sh
new file mode 100755
index 0000000..ce8a5f2
--- /dev/null
+++ b/cleanup.sh
@@ -0,0 +1,6 @@
+#!/bin/bash
+
+poetry run black .
+poetry run isort .
+poetry run ruff check .
+poetry run pyright .
\ No newline at end of file
diff --git a/poetry.lock b/poetry.lock
new file mode 100644
index 0000000..ffa3108
--- /dev/null
+++ b/poetry.lock
@@ -0,0 +1,256 @@
+# This file is automatically @generated by Poetry 1.7.1 and should not be changed by hand.
+
+[[package]]
+name = "black"
+version = "23.11.0"
+description = "The uncompromising code formatter."
+optional = false
+python-versions = ">=3.8"
+files = [
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+    {file = "black-23.11.0-cp310-cp310-macosx_11_0_arm64.whl", hash = "sha256:412f56bab20ac85927f3a959230331de5614aecda1ede14b373083f62ec24e6f"},
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+    {file = "black-23.11.0-cp310-cp310-win_amd64.whl", hash = "sha256:6c1cac07e64433f646a9a838cdc00c9768b3c362805afc3fce341af0e6a9ae9f"},
+    {file = "black-23.11.0-cp311-cp311-macosx_10_9_x86_64.whl", hash = "sha256:cf57719e581cfd48c4efe28543fea3d139c6b6f1238b3f0102a9c73992cbb479"},
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+    {file = "black-23.11.0-cp38-cp38-macosx_10_9_x86_64.whl", hash = "sha256:45aa1d4675964946e53ab81aeec7a37613c1cb71647b5394779e6efb79d6d187"},
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+    {file = "black-23.11.0.tar.gz", hash = "sha256:4c68855825ff432d197229846f971bc4d6666ce90492e5b02013bcaca4d9ab05"},
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+
+[package.dependencies]
+click = ">=8.0.0"
+mypy-extensions = ">=0.4.3"
+packaging = ">=22.0"
+pathspec = ">=0.9.0"
+platformdirs = ">=2"
+
+[package.extras]
+colorama = ["colorama (>=0.4.3)"]
+d = ["aiohttp (>=3.7.4)"]
+jupyter = ["ipython (>=7.8.0)", "tokenize-rt (>=3.2.0)"]
+uvloop = ["uvloop (>=0.15.2)"]
+
+[[package]]
+name = "click"
+version = "8.1.7"
+description = "Composable command line interface toolkit"
+optional = false
+python-versions = ">=3.7"
+files = [
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+[package.dependencies]
+colorama = {version = "*", markers = "platform_system == \"Windows\""}
+
+[[package]]
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+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"
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+
+[[package]]
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+optional = false
+python-versions = ">=3.5"
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+[[package]]
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+optional = false
+python-versions = ">=2.7,!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,!=3.5.*,!=3.6.*"
+files = [
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+
+[[package]]
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+[[package]]
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+[package.extras]
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+[[package]]
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+
+[package.extras]
+docs = ["furo", "jaraco.packaging (>=9.3)", "jaraco.tidelift (>=1.4)", "pygments-github-lexers (==0.0.5)", "rst.linker (>=1.9)", "sphinx (<7.2.5)", "sphinx (>=3.5)", "sphinx-favicon", "sphinx-inline-tabs", "sphinx-lint", "sphinx-notfound-page (>=1,<2)", "sphinx-reredirects", "sphinxcontrib-towncrier"]
+testing = ["build[virtualenv]", "filelock (>=3.4.0)", "flake8-2020", "ini2toml[lite] (>=0.9)", "jaraco.develop (>=7.21)", "jaraco.envs (>=2.2)", "jaraco.path (>=3.2.0)", "pip (>=19.1)", "pytest (>=6)", "pytest-black (>=0.3.7)", "pytest-checkdocs (>=2.4)", "pytest-cov", "pytest-enabler (>=2.2)", "pytest-mypy (>=0.9.1)", "pytest-perf", "pytest-ruff", "pytest-timeout", "pytest-xdist", "tomli-w (>=1.0.0)", "virtualenv (>=13.0.0)", "wheel"]
+testing-integration = ["build[virtualenv] (>=1.0.3)", "filelock (>=3.4.0)", "jaraco.envs (>=2.2)", "jaraco.path (>=3.2.0)", "packaging (>=23.1)", "pytest", "pytest-enabler", "pytest-xdist", "tomli", "virtualenv (>=13.0.0)", "wheel"]
+
+[metadata]
+lock-version = "2.0"
+python-versions = "3.12"
+content-hash = "863106a70ef63d21ad712fe17a3cea77d26b8280d273399f5ae6929413844ad0"
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..49cf952
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,39 @@
+[tool.poetry]
+name = "adventofcode"
+version = "0.1.0"
+description = ""
+authors = ["Thijs <13253091+Thijss@users.noreply.github.com>"]
+readme = "README.md"
+
+[tool.poetry.dependencies]
+python = "3.12"
+
+[tool.poetry.group.dev.dependencies]
+black = "^23.11.0"
+ruff = "^0.1.6"
+pyright = "^1.1.338"
+isort = "^5.12.0"
+pytest = "^7.4.3"
+
+[build-system]
+requires = ["poetry-core"]
+build-backend = "poetry.core.masonry.api"
+
+[tool.pyright]
+include = ["adventofcode"]
+
+reportMissingImports = true
+reportMissingTypeStubs = false
+
+pythonVersion = "3.12"
+pythonPlatform = "Linux"
+
+[tool.black]
+line-length = 120
+
+[tool.isort]
+profile = "black"
+line_length = 120
+
+[tool.ruff]
+line-length = 120
\ No newline at end of file