def pop(self, item):
result = self[item]<EOL>del self[item]<EOL>try:<EOL><INDENT>result._reset_cacher()<EOL><DEDENT>except AttributeError:<EOL><INDENT>pass<EOL><DEDENT>return result<EOL>
Return item and drop from frame. Raise KeyError if not found.

Parameters
----------
item : str
    Label of column to be popped.

Returns
-------
Series

Examples
--------
>>> df = pd.DataFrame([('falcon', 'bird', 389.0),
...                    ('parrot', 'bird', 24.0),
...                    ('lion', 'mammal', 80.5),
...                    ('monkey','mammal', np.nan)],
...                   columns=('name', 'class', 'max_speed'))
>>> df
     name   class  max_speed
0  falcon    bird      389.0
1  parrot    bird       24.0
2    lion  mammal       80.5
3  monkey  mammal        NaN

>>> df.pop('class')
0      bird
1      bird
2    mammal
3    mammal
Name: class, dtype: object

>>> df
     name  max_speed
0  falcon      389.0
1  parrot       24.0
2    lion       80.5
3  monkey        NaN