simple_python_script_template.py

import sys
from io import StringIO
from re import split
from textwrap import dedent
from traceback import format_exc


class UserInput:
    def __init__(self, text=None):
        self._io = StringIO(text) if text else sys.stdin

    def __enter__(self):
        return self

    def __exit__(self, *_):
        if hasattr(self._io, 'close'):
            self._io.close()

    def readline(self, parse=str, is_array=False, delimiter=r'\s+', clean=lambda x: x):
        if line := self._readline(clean):
            return [parse(x) for x in split(delimiter, line)] if is_array else parse(line)
        return None

    def _readline(self, clean):
        if line := self._io.readline():
            return clean(line.strip())
        return None


INPUT = dedent('''\
[2000,4000]
[1000,2000]
[3000,6000]
[1000,3000]
[2000,5000]
[4000,7000]
[4000,8000]
[4000,9000]
[4000,1100]
[4000,1200]
[3000,1300]
[3000,1400]
[7000,1500]
[7000,1600]
[7000,1700]
[7000,1800]
[7000,1900]
[7000,1110]
[3000,1120]
[3000,1130]
[1000,1140]
[1000,1150]
[1130,1160]
[1160,1170]
''')


def main():
    with UserInput(INPUT) as user_input:
        while data := user_input.readline(
                parse=int,
                is_array=True,
                delimiter=r'\s*,\s*',
                clean=lambda x: x.lstrip('[').rstrip(']')):
            print(f'data: {data}')


if __name__ == '__main__':
    try:
        main()
    except:
        print(format_exc(), file=sys.stderr)