class Rectangle:
    """
    An alternative class to represent a rectangle.

    Attributes
    ----------
    x : (int) bottom-left x-coordinate
    y: (int) bottom-left y-coordinate
    width : (int) width
    height: (int) height

    Methods
    -------
    area(): (int) returns the area of the rectangle

    """

    def __init__(self, x1, y1, x2, y2):
        """
        Creates a two-dimensional rectangle and sets its bottom-left coordinates, width, and height
        :param x1: (int) first x-coordinate
        :param y1: (int) first y-coordinate
        :param x2: (int) second x-coordinate
        :param y2: (int) second y-coordinate
        """
        # find the bottom-left corner
        if x2 < x1:
            x1, x2 = x2, x1

        if y2 < y1:
            y1, y2 = y2, y1

        self.x = x1
        self.y = y1
        self.width = x2 - x1
        self.height = y2 - y1

    def area(self):
        """
        Returns the area of the rectangle
        :return: (int) the area of the rectangle
        """

        return self.width * self.height

    def __str__(self):
        """

        Returns string representation of rectangle
        :return: (str) "The bottom left coordinates of the rectangle are: x: , its width is: , its height is:
        ... and its area is: (area)"
        """
        return "The bottom left coordinates of the rectangle are: x: " + str(self.x) + \
               " and y: " + str(self.y) + " , its width: " + str(self.width) + " , height: " + \
               str(self.height) + " and its area is: " + str(self.area()) + " units."


def main():
    rect = Rectangle(0, 0, 10, 20)
    print(rect)

if __name__ == "__main__":
    main()