bpo-25059: Clarify the print separator usage in tutorial (GH-5879)


By default `print` adds spaces between its arguments.
(cherry picked from commit 84c4b0cc67ceb4b70842b78c718b6e8214874d6a)

Co-authored-by: Cheryl Sabella <cheryl.sabella@gmail.com>
diff --git a/Doc/tutorial/inputoutput.rst b/Doc/tutorial/inputoutput.rst
index 74d7bad..d553102 100644
--- a/Doc/tutorial/inputoutput.rst
+++ b/Doc/tutorial/inputoutput.rst
@@ -100,7 +100,7 @@
    10 100 1000
 
 (Note that in the first example, one space between each column was added by the
-way :func:`print` works: it always adds spaces between its arguments.)
+way :func:`print` works: by default it adds spaces between its arguments.)
 
 This example demonstrates the :meth:`str.rjust` method of string
 objects, which right-justifies a string in a field of a given width by padding