Update Dockerfile. Add linebreak

Co-authored-by: Christian Clauss <cclauss@me.com>

.devcontainer/Dockerfile

@@ -1,18 +1,6 @@
-# [Choice] Python version (use -bullseye variants on local arm64/Apple Silicon): 3, 3.10, 3.9, 3.8, 3.7, 3.6, 3-bullseye, 3.10-bullseye, 3.9-bullseye, 3.8-bullseye, 3.7-bullseye, 3.6-bullseye, 3-buster, 3.10-buster, 3.9-buster, 3.8-buster, 3.7-buster, 3.6-buster
-ARG VARIANT=3-bullseye
+# https://github.com/microsoft/vscode-dev-containers/blob/main/containers/python-3/README.md
+ARG VARIANT=3.11-bookworm
 FROM mcr.microsoft.com/vscode/devcontainers/python:${VARIANT}
-
-# [Choice] Node.js version: none, lts/*, 16, 14, 12, 10
-ARG NODE_VERSION="none"
-RUN if [ "${NODE_VERSION}" != "none" ]; then su vscode -c "umask 0002 && . /usr/local/share/nvm/nvm.sh && nvm install ${NODE_VERSION} 2>&1"; fi
-
-# [Optional] If your pip requirements rarely change, uncomment this section to add them to the image.
 COPY requirements.txt /tmp/pip-tmp/
-RUN pip3 --disable-pip-version-check --no-cache-dir install -r /tmp/pip-tmp/requirements.txt
-
-# [Optional] Uncomment this section to install additional OS packages.
-# RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \
-#     && apt-get -y install --no-install-recommends <your-package-list-here>
-
-# [Optional] Uncomment this line to install global node packages.
-# RUN su vscode -c "source /usr/local/share/nvm/nvm.sh && npm install -g <your-package-here>" 2>&1
+RUN python3 -m pip install --upgrade pip \
+  && python3 -m pip install --no-cache-dir install ruff -r /tmp/pip-tmp/requirements.txt

.devcontainer/devcontainer.json

@@ -7,9 +7,7 @@
 			// Update 'VARIANT' to pick a Python version: 3, 3.10, 3.9, 3.8, 3.7, 3.6
 			// Append -bullseye or -buster to pin to an OS version.
 			// Use -bullseye variants on local on arm64/Apple Silicon.
-			"VARIANT": "3.10-bullseye",
-			// Options
-			"NODE_VERSION": "lts/*"
+			"VARIANT": "3.11-bookworm",
 		}
 	},
 
@@ -21,16 +19,8 @@
 			"settings": {
 				"python.defaultInterpreterPath": "/usr/local/bin/python",
 				"python.linting.enabled": true,
-				"python.linting.pylintEnabled": true,
-				"python.formatting.autopep8Path": "/usr/local/py-utils/bin/autopep8",
 				"python.formatting.blackPath": "/usr/local/py-utils/bin/black",
-				"python.formatting.yapfPath": "/usr/local/py-utils/bin/yapf",
-				"python.linting.banditPath": "/usr/local/py-utils/bin/bandit",
-				"python.linting.flake8Path": "/usr/local/py-utils/bin/flake8",
-				"python.linting.mypyPath": "/usr/local/py-utils/bin/mypy",
-				"python.linting.pycodestylePath": "/usr/local/py-utils/bin/pycodestyle",
-				"python.linting.pydocstylePath": "/usr/local/py-utils/bin/pydocstyle",
-				"python.linting.pylintPath": "/usr/local/py-utils/bin/pylint"
+				"python.linting.mypyPath": "/usr/local/py-utils/bin/mypy"
 			},
 
 			// Add the IDs of extensions you want installed when the container is created.
@@ -49,4 +39,4 @@
 
 	// Comment out to connect as root instead. More info: https://aka.ms/vscode-remote/containers/non-root.
 	"remoteUser": "vscode"
-}
+}

data_structures/trie/radix_tree.py

@@ -54,10 +54,17 @@ class RadixNode:
             word (str): word to insert
 
         >>> RadixNode("myprefix").insert("mystring")
+
+        >>> root = RadixNode()
+        >>> root.insert_many(['myprefix', 'myprefixA', 'myprefixAA'])
+        >>> root.print_tree()
+        - myprefix   (leaf)
+        -- A   (leaf)
+        --- A   (leaf)
         """
         # Case 1: If the word is the prefix of the node
         # Solution: We set the current node as leaf
-        if self.prefix == word:
+        if self.prefix == word and not self.is_leaf:
             self.is_leaf = True
 
         # Case 2: The node has no edges that have a prefix to the word