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AI-generatedpandas.read_csv duplicate column handling: custom suffix naming not supported
Duplicate column handling in pandas.read_csv The mangle_dupe_cols flag in pandas.read_csv automatically renames duplicate column headers by appending numeric suffixes (.1, .2, …). When set to False , the function raises a ValueError instead of loading the file. This behavior ensures a unique column index but offers no way to customize the suffix pattern or t