Advent of Code helpers for Python 3

aco.py

# advent of code helpers for Python 3

def input_file(filename='input'):
    """
    Read the input from current working directory,
    return as a string stripped
    """
    with open(input) as f:
        return f.read().strip()

def input_lines(filename='input'):
    """
    Return the input lines as a list
    """
    return list(filter(bool, map(str.strip, input_file(filename).splitlines())))

def clamp(value, min_, max_):
    """
    Clamp the given value so that min_ <= value <= max_
    """
    if value < min_:
        return min_
    if value > max_:
        return max_
    return value