diff options
Diffstat (limited to 'Doc/tutorial')
| -rw-r--r-- | Doc/tutorial/controlflow.rst | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/Doc/tutorial/controlflow.rst b/Doc/tutorial/controlflow.rst index 2a55cf1..000d9cb 100644 --- a/Doc/tutorial/controlflow.rst +++ b/Doc/tutorial/controlflow.rst @@ -113,8 +113,8 @@ increment (even negative; sometimes this is called the 'step'):: range(-10, -100, -30) -10, -40, -70 -To iterate over the indices of a sequence, combine :func:`range` and :func:`len` -as follows:: +To iterate over the indices of a sequence, you can combine :func:`range` and +:func:`len` as follows:: >>> a = ['Mary', 'had', 'a', 'little', 'lamb'] >>> for i in range(len(a)): @@ -126,6 +126,9 @@ as follows:: 3 little 4 lamb +In most such cases, however, it is convenient to use the :func:`enumerate` +function, see :ref:`tut-loopidioms`. + A strange thing happens if you just print a range:: >>> print(range(10)) @@ -148,6 +151,7 @@ is another; it creates lists from iterables:: Later we will see more functions that return iterables and take iterables as argument. + .. _tut-break: :keyword:`break` and :keyword:`continue` Statements, and :keyword:`else` Clauses on Loops |