[3.6] bpo-28315: Improve code examples in docs (GH-1372) (#1445)

Replace
   File "<stdin>", line 1, in ?
with
   File "<stdin>", line 1, in <module>
(cherry picked from commit 8856940cf2e82cb17db2b684cd5732fe658605ca)
diff --git a/Doc/tutorial/classes.rst b/Doc/tutorial/classes.rst
index e134d5d..073444c 100644
--- a/Doc/tutorial/classes.rst
+++ b/Doc/tutorial/classes.rst
@@ -784,7 +784,7 @@
    'c'
    >>> next(it)
    Traceback (most recent call last):
-     File "<stdin>", line 1, in ?
+     File "<stdin>", line 1, in <module>
        next(it)
    StopIteration
 
diff --git a/Doc/tutorial/controlflow.rst b/Doc/tutorial/controlflow.rst
index 6a9bb48..54171bc 100644
--- a/Doc/tutorial/controlflow.rst
+++ b/Doc/tutorial/controlflow.rst
@@ -475,7 +475,7 @@
    ...
    >>> function(0, a=0)
    Traceback (most recent call last):
-     File "<stdin>", line 1, in ?
+     File "<stdin>", line 1, in <module>
    TypeError: function() got multiple values for keyword argument 'a'
 
 When a final formal parameter of the form ``**name`` is present, it receives a
diff --git a/Doc/tutorial/datastructures.rst b/Doc/tutorial/datastructures.rst
index 6140ece..1a73ac9 100644
--- a/Doc/tutorial/datastructures.rst
+++ b/Doc/tutorial/datastructures.rst
@@ -261,7 +261,7 @@
    [(0, 0), (1, 1), (2, 4), (3, 9), (4, 16), (5, 25)]
    >>> # the tuple must be parenthesized, otherwise an error is raised
    >>> [x, x**2 for x in range(6)]
-     File "<stdin>", line 1, in ?
+     File "<stdin>", line 1, in <module>
        [x, x**2 for x in range(6)]
                   ^
    SyntaxError: invalid syntax
diff --git a/Doc/tutorial/inputoutput.rst b/Doc/tutorial/inputoutput.rst
index beeaac3..bad0302 100644
--- a/Doc/tutorial/inputoutput.rst
+++ b/Doc/tutorial/inputoutput.rst
@@ -362,7 +362,7 @@
    >>> f.close()
    >>> f.read()
    Traceback (most recent call last):
-     File "<stdin>", line 1, in ?
+     File "<stdin>", line 1, in <module>
    ValueError: I/O operation on closed file
 
 It is good practice to use the :keyword:`with` keyword when dealing with file