[2.7] bpo-28315: Improve code examples in docs (GH-1372) (#1447)

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 963581b..216dcae 100644
--- a/Doc/tutorial/classes.rst
+++ b/Doc/tutorial/classes.rst
@@ -787,7 +787,7 @@
    'c'
    >>> it.next()
    Traceback (most recent call last):
-     File "<stdin>", line 1, in ?
+     File "<stdin>", line 1, in <module>
        it.next()
    StopIteration
 
diff --git a/Doc/tutorial/controlflow.rst b/Doc/tutorial/controlflow.rst
index e1ac89f..a264bd7 100644
--- a/Doc/tutorial/controlflow.rst
+++ b/Doc/tutorial/controlflow.rst
@@ -444,7 +444,7 @@
    ...
    >>> 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 916da4a..4e60e32 100644
--- a/Doc/tutorial/datastructures.rst
+++ b/Doc/tutorial/datastructures.rst
@@ -311,7 +311,7 @@
    [(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
+     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 3e32af2..d354246 100644
--- a/Doc/tutorial/inputoutput.rst
+++ b/Doc/tutorial/inputoutput.rst
@@ -340,7 +340,7 @@
    >>> 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