Pandas DataFrame: add_prefix() function
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:
Download the Pandas DataFrame Notebooks from here.
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