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import argparse
import os
import sys
import importlib

def day(assignment_part: str) -> str:
    return {
        '1': 'One',
        '2': 'Two',
    }[assignment_part]

parser = argparse.ArgumentParser(description='Advent of Code')

parser.add_argument('day', type=str, help='Assignment day')
parser.add_argument(
    '-p', '--part', type=day, nargs='?', default='1',
    help='Assingment part. Defaults to one.'
)
parser.add_argument('--example', default=False, action='store_true')


if __name__ == '__main__':
    args = parser.parse_args()
    assignment_day = importlib.import_module(args.day)

    Assignment = getattr(assignment_day, f'Assignment{args.part}')
    assignment = Assignment(path=os.path.dirname(assignment_day.__file__))

    print(assignment.run(input=assignment.read_input()))