Use Argument Clinic for csv

[hauntsaninja]

BPO	40676
Nosy	@larryhastings, @hauntsaninja
PRs	gh-84853: Use Argument Clinic for csv (where possible) #20200

^{Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.}

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GitHub fields:

assignee = None
closed_at = None
created_at = <Date 2020-05-19.01:36:49.440>
labels = ['expert-argument-clinic']
title = 'Use Argument Clinic for csv'
updated_at = <Date 2020-05-19.01:38:19.516>
user = 'https://github.com/hauntsaninja'

bugs.python.org fields:

activity = <Date 2020-05-19.01:38:19.516>
actor = 'hauntsaninja'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Argument Clinic']
creation = <Date 2020-05-19.01:36:49.440>
creator = 'hauntsaninja'
dependencies = []
files = []
hgrepos = []
issue_num = 40676
keywords = ['patch']
message_count = 1.0
messages = ['369314']
nosy_count = 2.0
nosy_names = ['larry', 'hauntsaninja']
pr_nums = ['20200']
priority = 'normal'
resolution = None
stage = 'patch review'
status = 'open'
superseder = None
type = None
url = 'https://bugs.python.org/issue40676'
versions = []

[hauntsaninja]

To do all the functions in csv, we'd need to have support for **kwargs, tracked in https://bugs.python.org/issue20291. Am attaching a PR for the ones that can be made to work today.

[JelleZijlstra]

Closing as #20200 was merged, thanks @hauntsaninja! We can reopen to migrate the rest once AC supports more options.