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Parse Fixed Width Data File by Column Slices in Python

Extract fields from fixed-width text by slicing each line at defined column offsets, with a dictionary describing the boundaries.

fixed-width string-slicing parsing
Python 
from pathlib import Path


def parse_fixed_width(data: str, slices: dict[str, tuple[int, int]]) -> list[dict[str, str]]:
    lines = data.strip().splitlines()
    records = []
    for line in lines:
        record = {}
        for name, (start, end) in slices.items():
            record[name] = line[start:end].strip()…
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