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Pandas · Function

pd.concat

Combines pandas Series or DataFrame objects along rows or columns. It can align labels, reset the combined index, add hierarchical keys, and check for duplicate labels.

Last updated

Since
3.1.0

Syntax

pandas.concat(objs, *, axis=0, join='outer', ignore_index=False, keys=None, levels=None, names=None, verify_integrity=False, sort=<no_default>, copy=<no_default>, union_categories=False)

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  • DataFrame.join
  • DataFrame.merge

Source: pandas.concat — pandas 3.1.0 documentation. Checked 2026-11-03.