Simpler1

void main() {
  final List list1 = ['zero', 'one', 'two', 'three'];
  final List list2 = list1; //             <- Create a new reference to the same list
  list2[1] = 'five';
  print('$list1   $list2');

  final List list3 = ['nine', 'ten', 'eleven'];
  final List list4 = List.from(list3); //  <- Create a brand new list
  list4[1] = 'twenty';
  print('$list3   $list4');

Simpler1

# No-ip.com Dynamic DNS Updater
#

cd ~/Downloads
wget https://dmej8g5cpdyqd.cloudfront.net/downloads/noip-duc_3.0.0-beta.7.tar.gz
tar xf noip-duc_3.0.0-beta.7.tar.gz
apt install binaries/noip-duc_3.0.0-beta.7_amd64.deb
vi /etc/default/noip-duc
  NOIP_USERNAME=
  NOIP_PASSWORD=

Simpler1

main() {

	List myList = [
    {'id': 'red', 'test': 'some data'},
    {'id': 'green', 'other': 'some other data'},
    {'id': 'blue'},
  ];
  
  List myOrderList = [
    {'id': 'red', 'order': 1},