Python 字符串转列表

Question

这种类型的字符串数据怎么转化成数组啊 Python

"[["Key", 1], ["Key2", 2], , ["Key2", 2], ["Key3", 2]]"

Answer 1

import ast
import re

a = '[["Key", 1], ["Key2", 2], , ["Key2", 2], ["Key3", 2]]'

a = re.sub(r",\s*?,", ",None,", a)
print(a)
print(ast.literal_eval(a))