import math


def distance(point1, point2):
    """
    Args:
        point1: ex) (1,1), (2,3)
        point2: ex) (1,1), (2,3)

    Returns:
        sqrt((x2-x1)**2 - (y2-y1)**2)

    Example:
        >>> distance((1,1) (2,2))
        >>> 1.4142135623730951
    """
    return math.sqrt((point2[0] - point1[0])**2 + (point2[1] - point1[1])**2)
    # return distance(point1[0], point1[1], point2[0], point2[1])