转换为日期的变形器

from datetime import datetime

date_strings = ["2023-09-10", "30/02/2023", "2023-13-01", "not a date"]

def convert_to_dates(date_list):
    converted_dates = []
    for date_str in date_list:
        try:
            # 尝试使用多种格式进行转换
            for fmt in ("%Y-%m-%d", "%d/%m/%Y"):
                try:
                    converted_date = datetime.strptime(date_str, fmt)
                    converted_dates.append(converted_date)
                    break  # 如果成功转换，则跳出循环
                except ValueError:
                    continue  # 如果当前格式不匹配，则尝试下一个格式
            else:
                raise ValueError(f"No suitable date format found for {date_str}")
        except Exception as e:
            print(f"Error converting {date_str}: {e}")
            converted_dates.append(None)  # 添加一个占位符表示转换失败
    return converted_dates

converted_dates = convert_to_dates(date_strings)
print(converted_dates)