from string import ascii_lowercase, ascii_uppercase, digits
import re

EXAMPLE = """
"""

def str_to_int_lst(s):
    return list(map(int, s.split()))

def clean(text: str) -> list[str]:
    return list(filter(lambda l: l.strip() != "", text.splitlines()))
    # return list(text.splitlines())

def solve(lines: list[str]):
    res = 0
    for (i, line) in enumerate(lines):
        print(i, line)
    return res

def solve2(lines: list[str]):
    res = 0
    for (i, line) in enumerate(lines):
        print(i, line)
    return res

def main():
    example = clean(EXAMPLE)
    print("Example  1:", solve(example))
    return

    data = clean(open("i5.txt").read())
    print("Solution 1:", solve(data))
    return

    example = clean(EXAMPLE)
    print("Example  2:", solve2(example))
    return

    data = clean(open("i5.txt").read())
    print("Solution 2:", solve2(data))
    return

if __name__ == "__main__":
    main()