Remove trailing whitespace.
diff --git a/Doc/tutorial/controlflow.rst b/Doc/tutorial/controlflow.rst
index b0b4478..98f76ff 100644
--- a/Doc/tutorial/controlflow.rst
+++ b/Doc/tutorial/controlflow.rst
@@ -61,7 +61,7 @@
... a = ['cat', 'window', 'defenestrate']
>>> for x in a:
... print(x, len(x))
- ...
+ ...
cat 3
window 6
defenestrate 12
@@ -74,7 +74,7 @@
>>> for x in a[:]: # make a slice copy of the entire list
... if len(x) > 6: a.insert(0, x)
- ...
+ ...
>>> a
['defenestrate', 'cat', 'window', 'defenestrate']
@@ -96,7 +96,7 @@
2
3
4
-
+
The given end point is never part of the generated list; ``range(10)`` generates
@@ -104,13 +104,13 @@
is possible to let the range start at another number, or to specify a different
increment (even negative; sometimes this is called the 'step')::
- range(5, 10)
+ range(5, 10)
5 through 9
- range(0, 10, 3)
+ range(0, 10, 3)
0, 3, 6, 9
- range(-10, -100, -30)
+ range(-10, -100, -30)
-10, -40, -70
To iterate over the indices of a sequence, you can combine :func:`range` and
@@ -119,7 +119,7 @@
>>> a = ['Mary', 'had', 'a', 'little', 'lamb']
>>> for i in range(len(a)):
... print(i, a[i])
- ...
+ ...
0 Mary
1 had
2 a
@@ -135,12 +135,12 @@
range(0, 10)
In many ways the object returned by :func:`range` behaves as if it is a list,
-but in fact it isn't. It is an object which returns the successive items of
-the desired sequence when you iterate over it, but it doesn't really make
-the list, thus saving space.
+but in fact it isn't. It is an object which returns the successive items of
+the desired sequence when you iterate over it, but it doesn't really make
+the list, thus saving space.
-We say such an object is *iterable*, that is, suitable as a target for
-functions and constructs that expect something from which they can
+We say such an object is *iterable*, that is, suitable as a target for
+functions and constructs that expect something from which they can
obtain successive items until the supply is exhausted. We have seen that
the :keyword:`for` statement is such an *iterator*. The function :func:`list`
is another; it creates lists from iterables::
@@ -177,7 +177,7 @@
... else:
... # loop fell through without finding a factor
... print(n, 'is a prime number')
- ...
+ ...
2 is a prime number
3 is a prime number
4 equals 2 * 2
@@ -198,7 +198,7 @@
>>> while True:
... pass # Busy-wait for keyboard interrupt (Ctrl+C)
- ...
+ ...
This is commonly used for creating minimal classes::
@@ -212,7 +212,7 @@
>>> def initlog(*args):
... pass # Remember to implement this!
- ...
+ ...
.. _tut-functions:
@@ -229,7 +229,7 @@
... print(b, end=' ')
... a, b = b, a+b
... print()
- ...
+ ...
>>> # Now call the function we just defined:
... fib(2000)
1 1 2 3 5 8 13 21 34 55 89 144 233 377 610 987 1597
@@ -300,7 +300,7 @@
... result.append(b) # see below
... a, b = b, a+b
... return result
- ...
+ ...
>>> f100 = fib2(100) # call it
>>> f100 # write the result
[1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89]
@@ -436,7 +436,7 @@
>>> def function(a):
... pass
- ...
+ ...
>>> function(0, a=0)
Traceback (most recent call last):
File "<stdin>", line 1, in ?
@@ -487,7 +487,7 @@
------------------------
.. index::
- statement: *
+ statement: *
Finally, the least frequently used option is to specify that a function can be
called with an arbitrary number of arguments. These arguments will be wrapped
@@ -497,13 +497,13 @@
def write_multiple_items(file, separator, *args):
file.write(separator.join(args))
-
+
Normally, these ``variadic`` arguments will be last in the list of formal
-parameters, because they scoop up all remaining input arguments that are
+parameters, because they scoop up all remaining input arguments that are
passed to the function. Any formal parameters which occur after the ``*args``
-parameter are 'keyword-only' arguments, meaning that they can only be used as
+parameter are 'keyword-only' arguments, meaning that they can only be used as
keywords rather than positional arguments. ::
-
+
>>> def concat(*args, sep="/"):
... return sep.join(args)
...
@@ -581,7 +581,7 @@
single: strings, documentation
Here are some conventions about the content and formatting of documentation
-strings.
+strings.
The first line should always be a short, concise summary of the object's
purpose. For brevity, it should not explicitly state the object's name or type,
@@ -610,11 +610,11 @@
>>> def my_function():
... """Do nothing, but document it.
- ...
+ ...
... No, really, it doesn't do anything.
... """
... pass
- ...
+ ...
>>> print(my_function.__doc__)
Do nothing, but document it.