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DOC: add examples to insert and update generally #37690

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Dec 8, 2020
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DOC: add examples to insert and update generally #37690

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DOC: add examples to insert and update generally
erictleung Nov 7, 2020
4ec6e21
DOC: remove inferred insert parameter descriptions
erictleung Nov 8, 2020
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22 changes: 22 additions & 0 deletions pandas/core/frame.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3752,6 +3752,28 @@ def insert(self, loc, column, value, allow_duplicates=False) -> None:
Label of the inserted column.
value : int, Series, or array-like
allow_duplicates : bool, optional

See Also
--------
Index.insert : Insert new item by index.

Examples
--------
>>> df = pd.DataFrame({'col1': [1, 2], 'col2': [3, 4]})
>>> df
col1 col2
0 1 3
1 2 4
>>> df.insert(1, "newcol", [99, 99])
>>> df
col1 newcol col2
0 1 99 3
1 2 99 4
>>> df.insert(0, "col1", [100, 100], allow_duplicates=True)
>>> df
col1 col1 newcol col2
0 100 1 99 3
1 100 2 99 4
"""
if allow_duplicates and not self.flags.allows_duplicate_labels:
raise ValueError(
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