A number of list examples used 66.6, but I doubt there's any box on which
repr(66.6) == "66.6", so doubt that the claimed output has ever been seen.
Changed it to 66.25 everywhere, and manually verified that the new claimed
output is correct.
diff --git a/Doc/tut/tut.tex b/Doc/tut/tut.tex
index 5adcafd..9cb665a 100644
--- a/Doc/tut/tut.tex
+++ b/Doc/tut/tut.tex
@@ -1749,24 +1749,24 @@
 An example that uses most of the list methods:
 
 \begin{verbatim}
->>> a = [66.6, 333, 333, 1, 1234.5]
->>> print a.count(333), a.count(66.6), a.count('x')
+>>> a = [66.25, 333, 333, 1, 1234.5]
+>>> print a.count(333), a.count(66.25), a.count('x')
 2 1 0
 >>> a.insert(2, -1)
 >>> a.append(333)
 >>> a
-[66.6, 333, -1, 333, 1, 1234.5, 333]
+[66.25, 333, -1, 333, 1, 1234.5, 333]
 >>> a.index(333)
 1
 >>> a.remove(333)
 >>> a
-[66.6, -1, 333, 1, 1234.5, 333]
+[66.25, -1, 333, 1, 1234.5, 333]
 >>> a.reverse()
 >>> a
-[333, 1234.5, 1, 333, -1, 66.6]
+[333, 1234.5, 1, 333, -1, 66.25]
 >>> a.sort()
 >>> a
-[-1, 1, 66.6, 333, 333, 1234.5]
+[-1, 1, 66.25, 333, 333, 1234.5]
 \end{verbatim}
 
 
@@ -1958,13 +1958,13 @@
 empty list to the slice).  For example:
 
 \begin{verbatim}
->>> a = [-1, 1, 66.6, 333, 333, 1234.5]
+>>> a = [-1, 1, 66.25, 333, 333, 1234.5]
 >>> del a[0]
 >>> a
-[1, 66.6, 333, 333, 1234.5]
+[1, 66.25, 333, 333, 1234.5]
 >>> del a[2:4]
 >>> a
-[1, 66.6, 1234.5]
+[1, 66.25, 1234.5]
 \end{verbatim}
 
 \keyword{del} can also be used to delete entire variables: