[Python-checkins] Minor code and comment cleanup (GH-16315)
Raymond Hettinger
webhook-mailer at python.org
Sat Sep 21 00:46:56 EDT 2019
https://github.com/python/cpython/commit/7ce4bfa8cfcc78d03e164f2de64a2caad1d919af
commit: 7ce4bfa8cfcc78d03e164f2de64a2caad1d919af
branch: master
author: Raymond Hettinger <rhettinger at users.noreply.github.com>
committer: GitHub <noreply at github.com>
date: 2019-09-20T21:46:52-07:00
summary:
Minor code and comment cleanup (GH-16315)
files:
M Lib/statistics.py
diff --git a/Lib/statistics.py b/Lib/statistics.py
index d81596e5d8ab..0d747b3d6c05 100644
--- a/Lib/statistics.py
+++ b/Lib/statistics.py
@@ -555,8 +555,9 @@ def mode(data):
"""
data = iter(data)
+ pairs = Counter(data).most_common(1)
try:
- return Counter(data).most_common(1)[0][0]
+ return pairs[0][0]
except IndexError:
raise StatisticsError('no mode for empty data') from None
@@ -602,6 +603,7 @@ def multimode(data):
# mean=0.300. Only the latter (which corresponds with R6) gives the
# desired cut point with 30% of the population falling below that
# value, making it comparable to a result from an inv_cdf() function.
+# The R6 exclusive method is also idempotent.
# For describing population data where the end points are known to
# be included in the data, the R7 inclusive method is a reasonable
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