import numpy as np
from scipy.integrate import solve_ivp

def f(t,y):
    q, m = 1., 1.,
    dydt = np.zeros(6)
    ### START YOUR CODE HERE ###


    #### END YOUR CODE HERE ####
    return dydt

def find_tracking_records(B, E):
    Bx,By,Bz = B[0],B[1],B[2]
    Ex,Ey,Ez = E[0],E[1],E[2]
    positions = np.zeros((10,3))
    ### START YOUR CODE HERE ###
    
    
    #### END YOUR CODE HERE ####
    return positions