pandas.DataFrame.insert

DataFrame.insert(self, loc, column, value, allow_duplicates=False) [source]

Insert column into DataFrame at specified location.

Raises a ValueError if column is already contained in the DataFrame, unless allow_duplicates is set to True.

Parameters:	loc : int Insertion index. Must verify 0 <= loc <= len(columns) column : string, number, or hashable object label of the inserted column value : int, Series, or array-like allow_duplicates : bool, optional