Add length_hint parameter to list, dict, set constructors to allow efficient presizing #61540

assignee = None
closed_at = <Date 2014-05-03.23:17:55.023>
created_at = <Date 2013-03-02.17:23:39.401>
labels = ['performance']
title = 'Add length_hint parameter to list, dict,\tset constructors to allow efficient presizing'
updated_at = <Date 2014-05-03.23:17:55.022>
user = 'https://github.com/alex'

activity = <Date 2014-05-03.23:17:55.022>
actor = 'rhettinger'
assignee = 'none'
closed = True
closed_date = <Date 2014-05-03.23:17:55.023>
closer = 'rhettinger'
components = []
creation = <Date 2013-03-02.17:23:39.401>
creator = 'alex'
dependencies = []
files = ['29315', '29325']
hgrepos = []
issue_num = 17338
keywords = ['patch']
message_count = 17.0
messages = ['183332', '183339', '183349', '183353', '183360', '183361', '183365', '183366', '183473', '183536', '183545', '183552', '183558', '183580', '183589', '183592', '217843']
nosy_count = 14.0
nosy_names = ['brett.cannon', 'rhettinger', 'gregory.p.smith', 'pitrou', 'scoder', 'vstinner', 'giampaolo.rodola', 'christian.heimes', 'benjamin.peterson', 'trent', 'alex', 'asvetlov', 'neologix', 'serhiy.storchaka']
pr_nums = []
priority = 'normal'
resolution = 'rejected'
stage = None
status = 'closed'
superseder = None
type = 'performance'
url = 'https://bugs.python.org/issue17338'
versions = ['Python 3.4']