let myArray = ["alfa", "beta", "gamma"]; 
myArray.forEach(
           (elem, position) => console.log(`at position ${position} there is ${elem}`)
)

##</code><code>##

at position 0 there is alfa 
at position 1 there is beta
at position 2 there is gamma

##</code><code>##

my @myArray = qw(alfa beta gamma)
grep { warn "at position ??? there is $_\n" } @myArray;

##</code><code>##

at position ??? there is alfa
at position ??? there is beta
at position ??? there is gamma