Update Doc/whatsnew/3.15.rst

Co-authored-by: Victor Stinner <vstinner@python.org>

Author: corona10

Doc/whatsnew/3.15.rst

@@ -193,20 +193,22 @@ It does not allow modification after creation. A ``frozendict`` is not a subclas
 it inherits directly from ``object``. A ``frozendict`` is hashable (i.e., ``hash(frozendict)`` works)
 as long as all of its keys and values are hashable.
 
->>> a = frozendict(x=1, y=2)
->>> a
-frozendict({'x': 1, 'y': 2})
->>> a['z'] = 3
-Traceback (most recent call last):
-  File "<python-input-2>", line 1, in <module>
-    a['z'] = 3
-    ~^^^^^
-TypeError: 'frozendict' object does not support item assignment
->>> b = frozendict(y=2, x=1)
->>> hash(a) == hash(b)
-True
->>> a == b
-True
+For example::
+
+    >>> a = frozendict(x=1, y=2)
+    >>> a
+    frozendict({'x': 1, 'y': 2})
+    >>> a['z'] = 3
+    Traceback (most recent call last):
+      File "<python-input-2>", line 1, in <module>
+        a['z'] = 3
+        ~^^^^^
+    TypeError: 'frozendict' object does not support item assignment
+    >>> b = frozendict(y=2, x=1)
+    >>> hash(a) == hash(b)
+    True
+    >>> a == b
+    True
 
 .. seealso:: :pep:`814` for the full specification and rationale.