Convert all print statements in the docs.
diff --git a/Doc/tutorial/inputoutput.rst b/Doc/tutorial/inputoutput.rst
index 7dc9f74..54f4403 100644
--- a/Doc/tutorial/inputoutput.rst
+++ b/Doc/tutorial/inputoutput.rst
@@ -132,7 +132,7 @@
 Using the ``%`` operator looks like this::
 
    >>> import math
-   >>> print 'The value of PI is approximately %5.3f.' % math.pi
+   >>> print('The value of PI is approximately %5.3f.' % math.pi)
    The value of PI is approximately 3.142.
 
 If there is more than one format in the string, you need to pass a tuple as
@@ -140,7 +140,7 @@
 
    >>> table = {'Sjoerd': 4127, 'Jack': 4098, 'Dcab': 7678}
    >>> for name, phone in table.items():
-   ...     print '%-10s ==> %10d' % (name, phone)
+   ...     print('%-10s ==> %10d' % (name, phone))
    ... 
    Jack       ==>       4098
    Dcab       ==>       7678
@@ -159,7 +159,7 @@
 shown here::
 
    >>> table = {'Sjoerd': 4127, 'Jack': 4098, 'Dcab': 8637678}
-   >>> print 'Jack: %(Jack)d; Sjoerd: %(Sjoerd)d; Dcab: %(Dcab)d' % table
+   >>> print('Jack: %(Jack)d; Sjoerd: %(Sjoerd)d; Dcab: %(Dcab)d' % table)
    Jack: 4098; Sjoerd: 4127; Dcab: 8637678
 
 This is particularly useful in combination with the new built-in :func:`vars`