xxxxxxxxxx
list1.forEach((list1Item) {
list2.forEach(list2Item) {
if(list1Item == list2Item ){
print('matched'); } else {
print('not matched');
}
}
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if (list1.any((item) => list2.contains(item))) {
// Lists have at least one common element
} else {
// Lists DON'T have any common element
}