you can run the following command : " sudo nano /etc/dhcpcd.conf "
Simply by editing dhcpcd.conf file and adding the the
followings(change IP and interface).
Then the Pi should use the static IP been assigned next time.interface eth0
static ip_address=192.168.1.70/24
interface wlan0
static ip_address=192.168.1.71/24
#static routers=192.168.1.254
#static domain_name_server=192.168.1.254