Re-sync doc tests with the doc updates.

diff --git a/Lib/test/test_itertools.py b/Lib/test/test_itertools.py
index 728380db57aef325e42555e842ca65acddfc5010..52ae110ba4d61dbaa1899cb9484818b327a6b73f 100644 (file)
--- a/Lib/test/test_itertools.py
+++ b/Lib/test/test_itertools.py
@@ -471,15 +471,19 @@ Samuele
 
 >>> def all(pred, seq):
 ...     "Returns True if pred(x) is True for every element in the iterable"
-...     return not nth(ifilterfalse(pred, seq), 0)
+...     return False not in imap(pred, seq)
 
 >>> def some(pred, seq):
 ...     "Returns True if pred(x) is True for at least one element in the iterable"
-...     return bool(nth(ifilter(pred, seq), 0))
+...     return True in imap(pred, seq)
 
 >>> def no(pred, seq):
 ...     "Returns True if pred(x) is False for every element in the iterable"
-...     return not nth(ifilter(pred, seq), 0)
+...     return True not in imap(pred, seq)
+
+>>> def quantify(pred, seq):
+...     "Count how many times the predicate is True in the sequence"
+...     return sum(imap(pred, seq))
 
 >>> def padnone(seq):
 ...     "Returns the sequence elements and then returns None indefinitely"