问将带键和值的字符串转换为python的最有效方法

EN

import re

s = """{"key"=>"Number of Contents in Sales Package", "value"=>"Pack of 3"}, 
    {"key"=>"Number of Contents in Sales Package 2", "value"=>"Pack of 5"}"""

pattern = re.compile(r'''{"key"=>"(?P<key>.*?)", "value"=>"(?P<value>.*?)"}''')
dict(pattern.findall(s))

from ast import literal_eval

x = '{"key"=>"Number of Contents in Sales Package", "value"=>"Pack of 3"}'

d = literal_eval(x.replace('=>', ':'))
d = {d['key']: d['value']}

print(d)

{'Number of Contents in Sales Package': 'Pack of 3'}

result = dict([k_v.replace('"', '').split('=>')
               for k_v in string[1:-1].split(', ')])

'{key1=>value1, key2=>value2}'