"""
通用处理工具，字符串切分
"""


def divide_string(s, num_parts):
    """
    切割字符串为指定均分的部分
    :param s: 待切割的字符串
    :param num_parts: 切割份数
    :return: 切分结果
    """
    n = len(s)
    part_size = n // num_parts
    sizes = [part_size + 1 if i < n % num_parts else part_size for i in range(num_parts)]
    parts = []
    start = 0
    for size in sizes:
        parts.append(s[start:start + size])
        start += size
    return parts