pandas.Series.to_dict — pandas 2.2.3 documentation (original) (raw)

Series.to_dict(*, into=<class 'dict'>)[source]#

Convert Series to {label -> value} dict or dict-like object.

Parameters:

intoclass, default dict

The collections.abc.MutableMapping subclass to use as the return object. Can be the actual class or an empty instance of the mapping type you want. If you want a collections.defaultdict, you must pass it initialized.

Returns:

collections.abc.MutableMapping

Key-value representation of Series.

Examples

s = pd.Series([1, 2, 3, 4]) s.to_dict() {0: 1, 1: 2, 2: 3, 3: 4} from collections import OrderedDict, defaultdict s.to_dict(into=OrderedDict) OrderedDict([(0, 1), (1, 2), (2, 3), (3, 4)]) dd = defaultdict(list) s.to_dict(into=dd) defaultdict(<class 'list'>, {0: 1, 1: 2, 2: 3, 3: 4})