pandas.DataFrame.drop_duplicates

DataFrame.drop_duplicates(cols=None, take_last=False, inplace=False)

Return DataFrame with duplicate rows removed, optionally only considering certain columns

cols : column label or sequence of labels, optional
Only consider certain columns for identifying duplicates, by default use all of the columns
take_last : boolean, default False
Take the last observed row in a row. Defaults to the first row
inplace : boolean, default False
Whether to drop duplicates in place or to return a copy

deduplicated : DataFrame