Classe « CategoricalIndex »

Opérateur pandas.CategoricalIndex.__contains__

Signature de la opérateur __contains__

def __contains__(self, key: Any) -> bool 

Description

__contains__.__doc__

Return a boolean indicating whether the provided key is in the index.

Parameters
----------
key : label
    The key to check if it is present in the index.

Returns
-------
bool
    Whether the key search is in the index.

Raises
------
TypeError
    If the key is not hashable.

See Also
--------
Index.isin : Returns an ndarray of boolean dtype indicating whether the
    list-like key is in the index.

Examples
--------
>>> idx = pd.Index([1, 2, 3, 4])
>>> idx
Int64Index([1, 2, 3, 4], dtype='int64')

>>> 2 in idx
True
>>> 6 in idx
False