Index.
all
Return whether all elements are True.
Returns True unless there at least one element within a series that is False or equivalent (e.g. zero or empty)
Indicate which axis or axes should be reduced.
0 / ‘index’ : reduce the index, return a Series whose index is the original column labels.
Examples
>>> ps.Series([True, True]).all() True
>>> ps.Series([True, False]).all() False
>>> ps.Series([0, 1]).all() False
>>> ps.Series([1, 2, 3]).all() True
>>> ps.Series([True, True, None]).all() True
>>> ps.Series([True, False, None]).all() False
>>> ps.Series([]).all() True
>>> ps.Series([np.nan]).all() True
>>> df = ps.Series([True, False, None]).rename("a").to_frame() >>> df.set_index("a").index.all() False