.devcontainer/Dockerfile

@@ -0,0 +1,8 @@
+# https://github.com/microsoft/vscode-dev-containers/blob/main/containers/python-3/README.md
+ARG VARIANT=3.13-bookworm
+FROM mcr.microsoft.com/vscode/devcontainers/python:${VARIANT}
+COPY requirements.txt /tmp/pip-tmp/
+RUN python3 -m pip install --upgrade pip \
+  && python3 -m pip install --no-cache-dir install -r /tmp/pip-tmp/requirements.txt \
+  && pipx install pre-commit ruff \
+  && pre-commit install

.devcontainer/README.md

@@ -0,0 +1 @@
+https://code.visualstudio.com/docs/devcontainers/tutorial

.devcontainer/devcontainer.json

@@ -0,0 +1,42 @@
+{
+	"name": "Python 3",
+	"build": {
+		"dockerfile": "Dockerfile",
+		"context": "..",
+		"args": {
+			// Update 'VARIANT' to pick a Python version: 3, 3.11, 3.10, 3.9, 3.8
+			// Append -bullseye or -buster to pin to an OS version.
+			// Use -bullseye variants on local on arm64/Apple Silicon.
+			"VARIANT": "3.13-bookworm",
+		}
+	},
+
+	// Configure tool-specific properties.
+	"customizations": {
+		// Configure properties specific to VS Code.
+		"vscode": {
+			// Set *default* container specific settings.json values on container create.
+			"settings": {
+				"python.defaultInterpreterPath": "/usr/local/bin/python",
+				"python.linting.enabled": true,
+				"python.formatting.blackPath": "/usr/local/py-utils/bin/black",
+				"python.linting.mypyPath": "/usr/local/py-utils/bin/mypy"
+			},
+
+			// Add the IDs of extensions you want installed when the container is created.
+			"extensions": [
+				"ms-python.python",
+				"ms-python.vscode-pylance"
+			]
+		}
+	},
+
+	// Use 'forwardPorts' to make a list of ports inside the container available locally.
+	// "forwardPorts": [],
+
+	// Use 'postCreateCommand' to run commands after the container is created.
+	// "postCreateCommand": "pip3 install --user -r requirements.txt",
+
+	// Comment out to connect as root instead. More info: https://aka.ms/vscode-remote/containers/non-root.
+	"remoteUser": "vscode"
+}

.github/CODEOWNERS

@@ -7,9 +7,7 @@
 
 # Order is important. The last matching pattern has the most precedence.
 
-/.*  @cclauss @dhruvmanila
-
-# /arithmetic_analysis/
+/.*  @cclauss
 
 # /backtracking/
 
@@ -21,15 +19,15 @@
 
 # /cellular_automata/
 
-# /ciphers/  @cclauss  # TODO: Uncomment this line after Hacktoberfest
+# /ciphers/
 
 # /compression/
 
 # /computer_vision/
 
-# /conversions/  @cclauss  # TODO: Uncomment this line after Hacktoberfest
+# /conversions/
 
-# /data_structures/  @cclauss  # TODO: Uncomment this line after Hacktoberfest
+# /data_structures/
 
 # /digital_image_processing/
 
@@ -67,9 +65,9 @@
 
 # /neural_network/
 
-# /other/  @cclauss  # TODO: Uncomment this line after Hacktoberfest
+# /other/
 
-/project_euler/  @dhruvmanila
+# /project_euler/
 
 # /quantum/
 
@@ -81,7 +79,7 @@
 
 # /sorts/
 
-# /strings/  @cclauss  # TODO: Uncomment this line after Hacktoberfest
+# /strings/
 
 # /traversals/
 

.github/ISSUE_TEMPLATE/feature_request.yml

@@ -6,14 +6,14 @@ body:
     attributes:
       value: >
         Before requesting please search [existing issues](https://github.com/TheAlgorithms/Python/labels/enhancement).
+        Do not create issues to implement new algorithms as these will be closed.
         Usage questions such as "How do I...?"  belong on the
         [Discord](https://discord.gg/c7MnfGFGa6) and will be closed.
 
   - type: textarea
     attributes:
       label: "Feature description"
       description: >
-        This could be new algorithms, data structures or improving any existing
-        implementations.
+        This could include new topics or improving any existing implementations.
     validations:
       required: true

.github/ISSUE_TEMPLATE/other.yml

@@ -0,0 +1,19 @@
+name: Other
+description: Use this for any other issues. PLEASE do not create blank issues
+labels: ["awaiting triage"]
+body:
+  - type: textarea
+    id: issuedescription
+    attributes:
+      label: What would you like to share?
+      description: Provide a clear and concise explanation of your issue.
+    validations:
+      required: true
+
+  - type: textarea
+    id: extrainfo
+    attributes:
+      label: Additional information
+      description: Is there anything else we should know about this issue?
+    validations:
+      required: false

.github/dependabot.yml

@@ -0,0 +1,8 @@
+# Keep GitHub Actions up to date with Dependabot...
+# https://docs.github.com/en/code-security/dependabot/working-with-dependabot/keeping-your-actions-up-to-date-with-dependabot
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "daily"

.github/pull_request_template.md

@@ -4,6 +4,7 @@
 
 * [ ] Add an algorithm?
 * [ ] Fix a bug or typo in an existing algorithm?
+* [ ] Add or change doctests? -- Note: Please avoid changing both code and tests in a single pull request.
 * [ ] Documentation change?
 
 ### Checklist:
@@ -17,4 +18,4 @@
 * [ ] All function parameters and return values are annotated with Python [type hints](https://docs.python.org/3/library/typing.html).
 * [ ] All functions have [doctests](https://docs.python.org/3/library/doctest.html) that pass the automated testing.
 * [ ] All new algorithms include at least one URL that points to Wikipedia or another similar explanation.
-* [ ] If this pull request resolves one or more open issues then the commit message contains `Fixes: #{$ISSUE_NO}`.
+* [ ] If this pull request resolves one or more open issues then the description above includes the issue number(s) with a [closing keyword](https://docs.github.com/en/issues/tracking-your-work-with-issues/linking-a-pull-request-to-an-issue): "Fixes #ISSUE-NUMBER".

.github/stale.yml

@@ -45,7 +45,7 @@ pulls:
   closeComment: >
     Please reopen this pull request once you commit the changes requested
     or make improvements on the code. If this is not the case and you need
-    some help, feel free to seek help from our [Gitter](https://gitter.im/TheAlgorithms)
+    some help, feel free to seek help from our [Gitter](https://gitter.im/TheAlgorithms/community)
     or ping one of the reviewers. Thank you for your contributions!
 
 issues:
@@ -59,5 +59,5 @@ issues:
   closeComment: >
     Please reopen this issue once you add more information and updates here.
     If this is not the case and you need some help, feel free to seek help
-    from our [Gitter](https://gitter.im/TheAlgorithms) or ping one of the
+    from our [Gitter](https://gitter.im/TheAlgorithms/community) or ping one of the
     reviewers. Thank you for your contributions!

.github/workflows/build.yml

@@ -9,27 +9,29 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-python@v4
+      - uses: actions/checkout@v4
+      - uses: astral-sh/setup-uv@v6
         with:
-          python-version: 3.11
-      - uses: actions/cache@v3
+          enable-cache: true
+          cache-dependency-glob: uv.lock
+      - uses: actions/setup-python@v5
         with:
-          path: ~/.cache/pip
-          key: ${{ runner.os }}-pip-${{ hashFiles('requirements.txt') }}
-      - name: Install dependencies
-        run: |
-          python -m pip install --upgrade pip setuptools six wheel
-          python -m pip install pytest-cov -r requirements.txt
+          python-version: 3.13
+          allow-prereleases: true
+      - run: uv sync --group=test
       - name: Run tests
-        # See: #6591 for re-enabling tests on Python v3.11
-        run: pytest
-            --ignore=computer_vision/cnn_classification.py
-            --ignore=machine_learning/lstm/lstm_prediction.py
-            --ignore=quantum/
-            --ignore=project_euler/
-            --ignore=scripts/validate_solutions.py
-            --cov-report=term-missing:skip-covered
-            --cov=. .
+        # TODO: #8818 Re-enable quantum tests
+        run: uv run pytest
+          --ignore=computer_vision/cnn_classification.py
+          --ignore=docs/conf.py
+          --ignore=dynamic_programming/k_means_clustering_tensorflow.py
+          --ignore=machine_learning/lstm/lstm_prediction.py
+          --ignore=neural_network/input_data.py
+          --ignore=project_euler/
+          --ignore=quantum/q_fourier_transform.py
+          --ignore=scripts/validate_solutions.py
+          --ignore=web_programming/fetch_anime_and_play.py
+          --cov-report=term-missing:skip-covered
+          --cov=. .
       - if: ${{ success() }}
         run: scripts/build_directory_md.py 2>&1 | tee DIRECTORY.md

.github/workflows/directory_writer.yml

@@ -3,18 +3,20 @@
 name: directory_writer
 on: [push]
 jobs:
-  build:
+  directory_writer:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v1  # v1, NOT v2 or v3
-      - uses: actions/setup-python@v4
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - uses: actions/setup-python@v5
         with:
           python-version: 3.x
       - name: Write DIRECTORY.md
         run: |
           scripts/build_directory_md.py 2>&1 | tee DIRECTORY.md
-          git config --global user.name github-actions
-          git config --global user.email '${GITHUB_ACTOR}@users.noreply.github.com'
+          git config --global user.name "$GITHUB_ACTOR"
+          git config --global user.email "$GITHUB_ACTOR@users.noreply.github.com"
           git remote set-url origin https://x-access-token:${{ secrets.GITHUB_TOKEN }}@github.com/$GITHUB_REPOSITORY
       - name: Update DIRECTORY.md
         run: |

.github/workflows/project_euler.yml

@@ -14,26 +14,22 @@ jobs:
   project-euler:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-python@v4
+      - uses: actions/checkout@v4
+      - uses: astral-sh/setup-uv@v6
+      - uses: actions/setup-python@v5
         with:
           python-version: 3.x
-      - name: Install pytest and pytest-cov
-        run: |
-          python -m pip install --upgrade pip
-          python -m pip install --upgrade pytest pytest-cov
-      - run: pytest --doctest-modules --cov-report=term-missing:skip-covered --cov=project_euler/ project_euler/
+      - run: uv sync --group=euler-validate --group=test
+      - run: uv run pytest --doctest-modules --cov-report=term-missing:skip-covered --cov=project_euler/ project_euler/
   validate-solutions:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-python@v4
+      - uses: actions/checkout@v4
+      - uses: astral-sh/setup-uv@v6
+      - uses: actions/setup-python@v5
         with:
           python-version: 3.x
-      - name: Install pytest and requests
-        run: |
-          python -m pip install --upgrade pip
-          python -m pip install --upgrade pytest requests
-      - run: pytest scripts/validate_solutions.py
+      - run: uv sync --group=euler-validate --group=test
+      - run: uv run pytest scripts/validate_solutions.py
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/ruff.yml

@@ -0,0 +1,16 @@
+# https://beta.ruff.rs
+name: ruff
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - master
+jobs:
+  ruff:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: astral-sh/setup-uv@v6
+      - run: uvx ruff check --output-format=github .

.github/workflows/sphinx.yml

@@ -0,0 +1,50 @@
+name: sphinx
+
+on:
+  # Triggers the workflow on push or pull request events but only for the "master" branch
+  push:
+    branches: ["master"]
+  pull_request:
+    branches: ["master"]
+  # Or manually from the Actions tab
+  workflow_dispatch:
+
+# Sets permissions of the GITHUB_TOKEN to allow deployment to GitHub Pages
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+# Allow only one concurrent deployment, skipping runs queued between the run in-progress and latest queued.
+# However, do NOT cancel in-progress runs as we want to allow these production deployments to complete.
+concurrency:
+  group: "pages"
+  cancel-in-progress: false
+
+jobs:
+  build_docs:
+    runs-on: ubuntu-24.04-arm
+    steps:
+      - uses: actions/checkout@v4
+      - uses: astral-sh/setup-uv@v6
+      - uses: actions/setup-python@v5
+        with:
+          python-version: 3.13
+          allow-prereleases: true
+      - run: uv sync --group=docs
+      - uses: actions/configure-pages@v5
+      - run: uv run sphinx-build -c docs . docs/_build/html
+      - uses: actions/upload-pages-artifact@v3
+        with:
+          path: docs/_build/html
+
+  deploy_docs:
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    if: github.event_name != 'pull_request'
+    needs: build_docs
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/deploy-pages@v4
+        id: deployment