Code fragment metadata

hasIdentifier:	https://padme-analytics.de/pht/codeFragment/994e35d17e9dd19ea6c369aaac1d5a40266b632e301e9817a2e6a201724c6d87
hasContent:	data_df = data_df.drop(columns=["patient_id","plz","condition_id", "diagtext1"])

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