An example of list comprehensions in action for solving a linear algebra problem for making a set of verts.

create_step.py

def create_step(width, base_level, step_height, num_sides):
        
        axis = [0,0,-1]
        PI2 = pi * 2
        rad = width / 2
        
        init_vector = Vector([rad, 0, base_level])
        
        quat_angles = [(cur_side/num_sides) * PI2 
                            for cur_side in range(num_sides)]
        
        quaternions = [Quaternion(axis, quat_angle) 
                            for quat_angle in quat_angles]
                            
        vectors = [quaternion * init_vector 
                        for quaternion in quaternions]
                        
        bottom_list = [(vec.x, vec.y, vec.z) 
                        for vec in vectors]
                        
        top_list = [(vec.x, vec.y, vec.z+step_height) 
                        for vec in vectors]
                        
        full_list = bottom_list + top_list
        return full_list