l = [1,2,3,4];
printf("%d\n", count(l, 0));
printf("%d\n", count(l, 1));
printf("%d\n", count(l, 4));
printf("%d\n", count(l, 2));
printf("\n");

l = [1,2,1,3,4,3,4];
printf("%d\n", count(l, 0));
printf("%d\n", count(l, 1));
printf("%d\n", count(l, 4));
printf("%d\n", count(l, 2));
printf("\n");

l = [];
printf("%d\n", count(l, 0));
printf("%d\n", count(l, 1));
printf("%d\n", count(l, 4));
printf("%d\n", count(l, 2));
printf("\n");

v = vector(1,2,3,4);
printf("%d\n", count(v, 0));
printf("%d\n", count(v, 1));
printf("%d\n", count(v, 4));
printf("%d\n", count(v, 2));
printf("\n");

v = vector(1,2,1,3,4,3,4);
printf("%d\n", count(v, 0));
printf("%d\n", count(v, 1));
printf("%d\n", count(v, 4));
printf("%d\n", count(v, 2));
printf("\n");

v = vector();
printf("%d\n", count(v, 0));
printf("%d\n", count(v, 1));
printf("%d\n", count(v, 4));
printf("%d\n", count(v, 2));
printf("\n");

s = "1234";
printf("%d\n", count(s, '0'));
printf("%d\n", count(s, '1'));
printf("%d\n", count(s, '4'));
printf("%d\n", count(s, '2'));
printf("\n");

s = "1213434";
printf("%d\n", count(s, '0'));
printf("%d\n", count(s, '1'));
printf("%d\n", count(s, '4'));
printf("%d\n", count(s, '2'));
printf("\n");

s = "";
printf("%d\n", count(s, '0'));
printf("%d\n", count(s, '1'));
printf("%d\n", count(s, '4'));
printf("%d\n", count(s, '2'));
printf("\n");


l = [1,2,3,4];
printf("%a\n", index(l, 0));
printf("%a\n", index(l, 1));
printf("%a\n", index(l, 4));
printf("%a\n", index(l, 2));
printf("\n");

l = [1,2,1,3,4,3,4];
printf("%a\n", index(l, 0));
printf("%a\n", index(l, 1));
printf("%a\n", index(l, 4));
printf("%a\n", index(l, 2));
printf("\n");

l = [];
printf("%a\n", index(l, 0));
printf("%a\n", index(l, 1));
printf("%a\n", index(l, 4));
printf("%a\n", index(l, 2));
printf("\n");

v = vector(1,2,3,4);
printf("%a\n", index(v, 0));
printf("%a\n", index(v, 1));
printf("%a\n", index(v, 4));
printf("%a\n", index(v, 2));
printf("\n");

v = vector(1,2,1,3,4,3,4);
printf("%a\n", index(v, 0));
printf("%a\n", index(v, 1));
printf("%a\n", index(v, 4));
printf("%a\n", index(v, 2));
printf("\n");

v = vector();
printf("%a\n", index(v, 0));
printf("%a\n", index(v, 1));
printf("%a\n", index(v, 4));
printf("%a\n", index(v, 2));
printf("\n");

s = "1234";
printf("%a\n", index(s, '0'));
printf("%a\n", index(s, '1'));
printf("%a\n", index(s, '4'));
printf("%a\n", index(s, '2'));
printf("\n");

s = "1213434";
printf("%a\n", index(s, '0'));
printf("%a\n", index(s, '1'));
printf("%a\n", index(s, '4'));
printf("%a\n", index(s, '2'));
printf("\n");

s = "";
printf("%a\n", index(s, '0'));
printf("%a\n", index(s, '1'));
printf("%a\n", index(s, '4'));
printf("%a\n", index(s, '2'));
printf("\n");

l = [1,2,1,3,4,3,4];
delete(l, 1);
printf("%a\n", l);
delete(l, 1);
printf("%a\n", l);
delete(l, 1);
printf("%a\n", l);
delete(l, 1);
printf("%a\n", l);

l = [1,2,1,3,4,3,4];
printf("%a\n", ismember(l, 1));
printf("%a\n", ismember(l, 2));
printf("%a\n", ismember(l, 0));

t = [ "abc" : 1, "def" : 2 ];
printf("%a\n", ismember(t, 1));
printf("%a\n", ismember(t, "abc"));