Pandas DataFrame: add_prefix() function

Last update on August 19 2022 21:50:33 (UTC/GMT +8 hours)

DataFrame - add_prefix() function

The add_prefix() function is used to prefix labels with string prefix.

For Series, the row labels are prefixed. For DataFrame, the column labels are prefixed.

Syntax:

DataFrame.add_prefix(self, prefix)

Parameters:

Name	Description	Type/Default Value	Required / Optional
prefix	The string to add before each label.	str	Required

Returns: Series or DataFrame
New Series or DataFrame with updated labels.

Example:

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