save: '../save/advection/'
dt_save: 0.01
ini_time: 0.
fin_time: 2.
nx: 1024
xL: 0.
xR: 1.
beta : 1.e-1
if_show: 1
numbers: 10000
CFL: 4.e-1
if_second_order: 1.
show_steps: 100
init_key: 2022
if_rand_param: False