"""Utility functions."""


def drop_start(s: str, start: str) -> str:
    """Remove text from the start of a string."""
    return s[len(start) :] if s.startswith(start) else s


def plural(num: int, label: str) -> str:
    """Make plural version of label as appropriate."""
    return f'{num:,d} {label}{"s" if num != 1 else ""}'