boltons/test5.py

import argparse
from boltons.iterutils import bucketize

parser = argparse.ArgumentParser()
parser.add_argument('--a', type=str, required=True, help='Comma-separated numbers')
args = parser.parse_args()

numbers = [int(x) for x in args.a.split(',')]
result = bucketize(numbers, lambda x: x % 2 == 0)  # 按奇偶性分组
print(result)