pandas / 1.4.0 / reference / api / pandas.index.all.html /

pandas.Index.all

Index. all ( *args, **kwargs ) [source]

Return whether all elements are Truthy.

Parameters
*args

Required for compatibility with numpy.

**kwargs

Required for compatibility with numpy.

Returns
all :bool or array-like (if axis is specified)

A single element array-like may be converted to bool.

See also

Index.any

Return whether any element in an Index is True.

Series.any

Return whether any element in a Series is True.

Series.all

Return whether all elements in a Series are True.

Notes

Not a Number (NaN), positive infinity and negative infinity evaluate to True because these are not equal to zero.

Examples

True, because nonzero integers are considered True.

>>> pd.Index([1, 2, 3]).all()
True

False, because 0 is considered False.

>>> pd.Index([0, 1, 2]).all()
False

© 2008–2022, AQR Capital Management, LLC, Lambda Foundry, Inc. and PyData Development Team
Licensed under the 3-clause BSD License.
https://pandas.pydata.org/pandas-docs/version/1.4.0/reference/api/pandas.Index.all.html