How To Rename Pandas DataFrame Columns? Table Of Contents: Syntax ‘rename( )’ Method In Pandas. Examples ‘rename( )’ Method. (1) Syntax: DataFrame.rename(mapper=None, *, index=None, columns=None, axis=None, copy=None, inplace=False, level=None, errors=’ignore’) Description: Rename the column or Row Labels. Function / dict values must be unique (1-to-1). Labels not contained in a dict / Series will be left as-is. Extra labels listed don’t throw an error. Parameters: mapper: dict-like or function – Dict-like or function transformations to apply to that axis’ values. Use either mapper and axis to specify the axis to target with mapper, or index and columns. index: dict-like or function – Alternative to specifying axis (mapper, axis=0 is equivalent

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