DOC: Fix additional join examples in "10 Minutes to pandas" #13029

 - [x] closes #13029

Author: Sanjiv Lobo <[email protected]>

Closes #13171 from Xndr7/fix-additional-join-examples-in-"10-Minutes-to-pandas"-#13029 and squashes the following commits:

633c7ff [Sanjiv Lobo] fixed docs for issue #13029

Author: Xndr7

doc/source/10min.rst

@@ -483,6 +483,17 @@ SQL style merges. See the :ref:`Database style joining <merging.join>`
    right
    pd.merge(left, right, on='key')
 
+Another example that can be given is:
+
+.. ipython:: python
+
+   left = pd.DataFrame({'key': ['foo', 'bar'], 'lval': [1, 2]})
+   right = pd.DataFrame({'key': ['foo', 'bar'], 'rval': [4, 5]})
+   left
+   right
+   pd.merge(left, right, on='key')
+
+
 Append
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