Remove trailing whitespace.
diff --git a/Doc/tutorial/introduction.rst b/Doc/tutorial/introduction.rst
index 57254db..10166a6 100644
--- a/Doc/tutorial/introduction.rst
+++ b/Doc/tutorial/introduction.rst
@@ -58,7 +58,7 @@
>>> 8/5 # Fractions aren't lost when dividing integers
1.6000000000000001
-Note: You might not see exactly the same result; floating point results can
+Note: You might not see exactly the same result; floating point results can
differ from one machine to another. We will say more later about controlling
the appearance of floating point output; what we see here is the most
informative display but not as easy to read as we would get with::
@@ -71,9 +71,9 @@
why these two ways of displaying floating point data come to be different.
See :ref:`tut-fp-issues` for a full discussion.
-To do integer division and get an integer result,
+To do integer division and get an integer result,
discarding any fractional result, there is another operator, ``//``::
-
+
>>> # Integer division returns the floor:
... 7//3
2
@@ -103,7 +103,7 @@
>>> # try to access an undefined variable
... n
- Traceback (most recent call last):
+ Traceback (most recent call last):
File "<stdin>", line 1, in <module>
NameError: name 'n' is not defined
@@ -245,14 +245,14 @@
they will be included in the string. ::
print("""
- Usage: thingy [OPTIONS]
+ Usage: thingy [OPTIONS]
-h Display this usage message
-H hostname Hostname to connect to
""")
produces the following output::
- Usage: thingy [OPTIONS]
+ Usage: thingy [OPTIONS]
-h Display this usage message
-H hostname Hostname to connect to
@@ -371,10 +371,10 @@
Then the right edge of the last character of a string of *n* characters has
index *n*, for example::
- +---+---+---+---+---+
+ +---+---+---+---+---+
| H | e | l | p | A |
- +---+---+---+---+---+
- 0 1 2 3 4 5
+ +---+---+---+---+---+
+ 0 1 2 3 4 5
-5 -4 -3 -2 -1
The first row of numbers gives the position of the indices 0...5 in the string;
@@ -396,7 +396,7 @@
.. seealso::
:ref:`typesseq`
- Strings are examples of *sequence types*, and support the common
+ Strings are examples of *sequence types*, and support the common
operations supported by such types.
:ref:`string-methods`
@@ -565,7 +565,7 @@
>>> while b < 10:
... print(b)
... a, b = b, a+b
- ...
+ ...
1
1
2
@@ -601,8 +601,8 @@
* The :func:`print` function writes the value of the expression(s) it is
given. It differs from just writing the expression you want to write (as we did
- earlier in the calculator examples) in the way it handles multiple
- expressions, floating point quantities,
+ earlier in the calculator examples) in the way it handles multiple
+ expressions, floating point quantities,
and strings. Strings are printed without quotes, and a space is inserted
between items, so you can format things nicely, like this::
@@ -617,5 +617,5 @@
>>> while b < 1000:
... print(b, end=' ')
... a, b = b, a+b
- ...
+ ...
1 1 2 3 5 8 13 21 34 55 89 144 233 377 610 987