void main() {
Map<String, int> mp = {'dart': 13, 'c': 89, 'c++': 10};
var iterator = mp.entries;
print(iterator.elementAt(0));
print(iterator.elementAt(1));
print(iterator.elementAt(2));
}
/*
run:
MapEntry(dart: 13)
MapEntry(c: 89)
MapEntry(c++: 10)
*/