Draw Asteriks Pyramids in any direction

asterik-pyramids.py

"""
This short script allows to draw a asteriks pyramid
in any direction desired. 'Left' is the default direction.

A 'middle' pyramid has n steps with (n*2-1) asteriks.
"""

def draw_pyramid(steps: int, direction: str = "left") -> None:
    possible_directions = set(["left", "right", "middle"])

    if direction not in possible_directions:
        raise ValueError(f"'{direction}' Direction not supported.")

    if direction == "left":
        for i in range(1, steps+1):
            print(i*"*", (steps-i)*" ")
    elif direction == "right":
        for i in range(1, steps+1):
            print((steps-i)*" ",i*"*")
    else:
        steps *= 2
        for i in range(1, steps+1, 2):
            print(((steps-i)//2+1)*" ", i*"*", ((steps-i)//2+1)*" ")
            
            
if __name__ == "__main__":
  draw_pyramid(10)
  draw_pyramid(10, "right")
  draw_pyramid(10, "middle")
  draw_pyramid(10, "center")