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DOC added example to reorder levels #43134

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DOC added example to reorder levels #43134

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4df435e
added example to the doc string
Aug 20, 2021
b2dabab
Changed the example for reorder_levels( )
Aug 20, 2021
9776e2e
Named the levels in the example.
Aug 21, 2021
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26 changes: 26 additions & 0 deletions pandas/core/frame.py
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Original file line number Diff line number Diff line change
Expand Up @@ -6837,6 +6837,32 @@ def reorder_levels(self, order: Sequence[Axis], axis: Axis = 0) -> DataFrame:
Returns
-------
DataFrame

Examples
--------
>>> data={'Name':['Rahul', 'Arijit', 'Tushar'],
... 'Mark':[70,95,89],
... 'Branch':['CSE', 'EEE', 'IT'],
... 'Grade':['C', 'B', 'A'],
... }
>>> df=pd.DataFrame(data, columns = ['Mark', 'Branch', 'Grade', 'Name'])
>>> df.set_index(['Branch', 'Mark', 'Grade'], inplace = True)
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also, can you please write this as df = df.set_index(['Branch', 'Mark', 'Grade'])?

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Ok I will do the changes.

>>> df

Name
Branch Mark Grade
CSE 70 C Rahul
EEE 95 B Arijit
IT 89 A Tushar

>>> df.reorder_levels(['Mark', 'Grade', 'Branch'])

Name
Mark Grade Branch
70 C CSE Rahul
95 B EEE Arijit
89 A IT Tushar

"""
axis = self._get_axis_number(axis)
if not isinstance(self._get_axis(axis), MultiIndex): # pragma: no cover
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