Python N-Body Orbit Simulation

Gravity.py

def run_simulation(bodies, names = None, time_step = 1, number_of_steps = 10000, report_freq = 100):

    #create output container for each body
    body_locations_hist = []
    for current_body in bodies:
        body_locations_hist.append({"x":[], "y":[], "z":[], "name":current_body.name})
        
    for i in range(1,number_of_steps):
        compute_gravity_step(bodies, time_step = 1000)            
        
        if i % report_freq == 0:
            for index, body_location in enumerate(body_locations_hist):
                body_location["x"].append(bodies[index].location.x)
                body_location["y"].append(bodies[index].location.y)           
                body_location["z"].append(bodies[index].location.z)       

    return body_locations_hist