import re
from string import ascii_lowercase, ascii_uppercase

EXAMPLE = """
"""

def clean(text: str) -> list[str]:
    return list(filter(lambda l: l.strip() != "", 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("i6.txt").read())
    print("Solution 1:", solve(data))
    return

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

    data = clean(open("i6.txt").read())
    print("Solution 2:", solve2(data))

if __name__ == "__main__":
    main()