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.devcontainer/Dockerfile

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+FROM python:3.10.2-slim
+
+RUN apt update \
+    && apt install -y --no-install-recommends apt-utils git gcc build-essential \
+    && pip install --no-cache-dir autopep8 flake8 pytest \
+    && apt-get autoremove -y \
+    && apt-get clean -y \
+    && rm -rf /var/lib/apt/lists/*
+