Python 数组和字符串互相转换 In Python | 字符串转数组 12str = '1,2,3'arr = str.split(',') 数组转字符串 12345arr = ['a','b']str = ','.join(arr)arr = [1,2,3]str = ','.join(str(i) for i in b) -------------本文结束感谢您的阅读-------------