def in_circle(x: float, y: float, radius: float = 1):
    """Return True if the point is in the circle and False otherwise.

    Args:
        x: x position
        y: y position
        radius: radius of the circle

    Returns:
        bool: If the point is inside the circle or not
    """
    return (x ** 2 + y ** 2) < radius * radius