统计daterange中的daterange天数

from datetime import datetime

def calculate_days_between_dates(start_date, end_date):
    """
    计算两个日期之间的天数
    :param start_date: 开始日期，格式为 'YYYY-MM-DD'
    :param end_date: 结束日期，格式为 'YYYY-MM-DD'
    :return: 两个日期之间的天数
    """
    try:
        start = datetime.strptime(start_date, '%Y-%m-%d')
        end = datetime.strptime(end_date, '%Y-%m-%d')
        delta = end - start
        return delta.days
    except ValueError as e:
        print(f"日期格式错误: {e}")
        return None

# 示例使用
start_date = '2023-01-01'
end_date = '2023-01-10'
days_between = calculate_days_between_dates(start_date, end_date)
if days_between is not None:
    print(f"从 {start_date} 到 {end_date} 的天数是: {days_between}")