Request: Human readable byte amounts in the standard library

GitHub fields:

assignee = None
closed_at = None
created_at = <Date 2017-10-10.17:10:53.885>
labels = ['type-feature', '3.8']
title = 'Request: Human readable byte amounts in the standard library'
updated_at = <Date 2020-08-29.02:42:33.573>
user = 'https://github.com/Miserlou'

bugs.python.org fields:

activity = <Date 2020-08-29.02:42:33.573>
actor = 'aviso'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = []
creation = <Date 2017-10-10.17:10:53.885>
creator = 'miserlou2'
dependencies = []
files = []
hgrepos = []
issue_num = 31749
keywords = []
message_count = 11.0
messages = ['304061', '304065', '304070', '304076', '304084', '304094', '304178', '304179', '304180', '305186', '376053']
nosy_count = 9.0
nosy_names = ['eric.smith', 'martin.panter', 'serhiy.storchaka', 'desbma', 'aviso', 'mivade', 'miserlou2', 'FlipperPA', 'Jason Stelzer']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = 'enhancement'
url = 'https://bugs.python.org/issue31749'
versions = ['Python 3.8']