Code fragment metadata

hasIdentifier: https://padme-analytics.de/pht/codeFragment/d78e2a3c76a948721d3d84d0c247b3ccbda753013fbbd381c2e4fe74ae2aa64a
hasContent: with open(os.path.join(output_dir, "df_info.txt"), "w", encoding="utf-8") as f:

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