Return the bool of a single element Series or DataFrame.
Deprecated since version 2.1.0: bool is deprecated and will be removed in future version of pandas. For Series use pandas.Series.item.
This must be a boolean scalar value, either True or False. It will raise a ValueError if the Series or DataFrame does not have exactly 1 element, or that element is not boolean (integer values 0 and 1 will also raise an exception).
The value in the Series or DataFrame.
See also
Series.astype
Change the data type of a Series, including to boolean.
DataFrame.astype
Change the data type of a DataFrame, including to boolean.
numpy.bool_
NumPy boolean data type, used by pandas for boolean values.
Examples
The method will only work for single element objects with a boolean value:
>>> pd.Series([True]).bool() True >>> pd.Series([False]).bool() False
>>> pd.DataFrame({'col': [True]}).bool()
True
>>> pd.DataFrame({'col': [False]}).bool()
False
This is an alternative method and will only work for single element objects with a boolean value:
>>> pd.Series([True]).item() True >>> pd.Series([False]).item() False
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