`__contains__` and `get` methods for match objects?

GitHub fields:

assignee = None
closed_at = None
created_at = <Date 2017-02-06.08:00:11.690>
labels = ['3.7', 'type-feature', 'library']
title = '`__contains__` and `get` methods for match objects?'
updated_at = <Date 2017-02-06.08:31:21.312>
user = 'https://bugs.python.org/THRlWiTi'

bugs.python.org fields:

activity = <Date 2017-02-06.08:31:21.312>
actor = 'rhettinger'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2017-02-06.08:00:11.690>
creator = 'THRlWiTi'
dependencies = []
files = []
hgrepos = []
issue_num = 29459
keywords = []
message_count = 3.0
messages = ['287096', '287101', '287102']
nosy_count = 5.0
nosy_names = ['rhettinger', 'eric.smith', 'mrabarnett', 'THRlWiTi', 'serhiy.storchaka']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = 'enhancement'
url = 'https://bugs.python.org/issue29459'
versions = ['Python 3.7']