Show how to iterate over the key-value pairs of an associative array, and print each pair out.

Also show how to iterate just over the keys, or the values, if there is a separate way to do that in your language.



See also

 Array
 Associative array: Creation, Iteration
 Collections
 Compound data type
 Doubly-linked list: Definition, Element definition, Element insertion, List Traversal, Element Removal
 Linked list
 Queue: Definition, Usage
 Set
 Singly-linked list: Element definition, Element insertion, List Traversal, Element Removal
 Stack


dict = Dict("hello" => 13, "world" => 31, "!" => 71)
 
# applying a function to key-value pairs:
foreach(println, dict)
 
# iterating over key-value pairs:
for (key, value) in dict
    println("dict[$key] = $value")
end
 
# iterating over keys:
for key in keys(dict)
    @show key
end
 
# iterating over values:
for value in values(dict)
    @show value
end
 