^|EMal has dynamic lists.
 |Lists have differen API to change the value in-place or not.
 |SQL like name: insert, append, delete, order alter the current list.
 |There are methods that operate on indexes, other on values.
 |^
List a = int[] # a:[]
a.append(8) # a:[8]
a.insert(1, 13) # a:[8,13]
a.delete(0) # a:[13]
a.clear() # a:[]
a.of(21, 33) # a:[21,33]
a[1] = 34 # a:[21,34]
List b = a.remove(21) # a:[21, 34], b:[34]
writeLine("a has " + a.length + " items, their values are " + a[0] + ", " + a[1])
writeLine("b has " + b.length + " item, its value is " + b[0])