Tuples, like arrays, are ordered collections of scalar values, but the elements don't have to be the same type. In fact, tuple elements can be any type including arrays and tuples:
Tuple elements can be accessed by specifying an index after a .:
Tuples can also give names to their elements. In that case the tuple elements can be accessed by either name or index:
You can also use casts to change the type of the elements inside tuples by using a "nested" cast notation:
