Issue #26736: Used HTTPS for external links in the documentation if possible.
diff --git a/Doc/tutorial/floatingpoint.rst b/Doc/tutorial/floatingpoint.rst
index 9c3c143..d440e53 100644
--- a/Doc/tutorial/floatingpoint.rst
+++ b/Doc/tutorial/floatingpoint.rst
@@ -155,7 +155,7 @@
If you are a heavy user of floating point operations you should take a look
at the Numerical Python package and many other packages for mathematical and
-statistical operations supplied by the SciPy project. See <http://scipy.org>.
+statistical operations supplied by the SciPy project. See <https://scipy.org>.
Python provides tools that may help on those rare occasions when you really
*do* want to know the exact value of a float. The
diff --git a/Doc/tutorial/interactive.rst b/Doc/tutorial/interactive.rst
index abf30f0..38d0212 100644
--- a/Doc/tutorial/interactive.rst
+++ b/Doc/tutorial/interactive.rst
@@ -49,6 +49,6 @@
bpython_.
-.. _GNU Readline: http://tiswww.case.edu/php/chet/readline/rltop.html
+.. _GNU Readline: https://tiswww.case.edu/php/chet/readline/rltop.html
.. _IPython: http://ipython.scipy.org/
.. _bpython: http://www.bpython-interpreter.org/
diff --git a/Doc/tutorial/stdlib.rst b/Doc/tutorial/stdlib.rst
index 0954eba..eca685c 100644
--- a/Doc/tutorial/stdlib.rst
+++ b/Doc/tutorial/stdlib.rst
@@ -152,7 +152,7 @@
>>> statistics.variance(data)
1.3720238095238095
-The SciPy project <http://scipy.org> has many other modules for numerical
+The SciPy project <https://scipy.org> has many other modules for numerical
computations.
.. _tut-internet-access:
diff --git a/Doc/tutorial/whatnow.rst b/Doc/tutorial/whatnow.rst
index 479542c..1ea22ae 100644
--- a/Doc/tutorial/whatnow.rst
+++ b/Doc/tutorial/whatnow.rst
@@ -43,7 +43,7 @@
for download. Once you begin releasing code, you can register it here so that
others can find it.
-* http://code.activestate.com/recipes/langs/python/: The Python Cookbook is a
+* https://code.activestate.com/recipes/langs/python/: The Python Cookbook is a
sizable collection of code examples, larger modules, and useful scripts.
Particularly notable contributions are collected in a book also titled Python
Cookbook (O'Reilly & Associates, ISBN 0-596-00797-3.)
@@ -51,7 +51,7 @@
* http://www.pyvideo.org collects links to Python-related videos from
conferences and user-group meetings.
-* http://scipy.org: The Scientific Python project includes modules for fast
+* https://scipy.org: The Scientific Python project includes modules for fast
array computations and manipulations plus a host of packages for such
things as linear algebra, Fourier transforms, non-linear solvers,
random number distributions, statistical analysis and the like.