Docs: improve accuracy of pdb alias example (pythonGH-102892)

gaogaotiantian · miss-islington · commit f12d21648ff3 · 2023-03-22T11:35:09.000Z
(cherry picked from commit e0c63b7) Co-authored-by: gaogaotiantian <gaogaotiantian@hotmail.com>
diff --git a/Doc/library/pdb.rst b/Doc/library/pdb.rst
@@ -513,7 +513,7 @@ can be overridden by the local file.
    :file:`.pdbrc` file)::
 
       # Print instance variables (usage "pi classInst")
-      alias pi for k in %1.__dict__.keys(): print("%1.",k,"=",%1.__dict__[k])
+      alias pi for k in %1.__dict__.keys(): print(f"%1.{k} = {%1.__dict__[k]}")
       # Print instance variables in self
       alias ps pi self
 
