def distance(point1, point2):
    """
    Returns the Euclidean distance of two points in the Cartesian Plane.

    >>> distance([3,4],[0,0])
    5.0
    >>> distance([3,6],[10,6])
    7.0
    """
    return ((point1[0] - point2[0])**2 + (point1[1] - point2[1])**2) ** 0.5