pandas.CategoricalIndex.insert
CategoricalIndex.insert(loc, item)[source]-
Make new Index inserting new item at location. Follows Python list.append semantics for negative values
Parameters: loc : int
item : object
Returns: new_index : Index
Raises: ValueError if the item is not in the categories
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Licensed under the 3-clause BSD License.
https://pandas.pydata.org/pandas-docs/version/0.19.2/generated/pandas.CategoricalIndex.insert.html