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DOC: Expand on different Getitem uses #60806

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Merged
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May 21, 2025
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DOC: Expand on different Getitem uses #60806

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expand on different Getitem uses
afeld Jan 28, 2025
a54d522
Update doc/source/user_guide/10min.rst
datapythonista May 21, 2025
cd4437f
Merge branch 'main' into dot-notation
datapythonista May 21, 2025
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16 changes: 15 additions & 1 deletion doc/source/user_guide/10min.rst
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Expand Up @@ -178,12 +178,26 @@ Getitem (``[]``)
~~~~~~~~~~~~~~~~

For a :class:`DataFrame`, passing a single label selects a column and
yields a :class:`Series` equivalent to ``df.A``:
yields a :class:`Series`:

.. ipython:: python

df["A"]

If the label only contains letters, numbers, and underscores, you can
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Mind confirming I have this right?

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pandas allows strings that pass isidentifier https://docs.python.org/3/library/stdtypes.html#str.isidentifier

alternatively use the column name attribute:

.. ipython:: python

df.A

Passing a list of column labels selects multiple columns, which can be useful
for getting a subset/rearranging:

.. ipython:: python

df[["B", "A"]]

For a :class:`DataFrame`, passing a slice ``:`` selects matching rows:

.. ipython:: python
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