How do dictionaries work in Julia?

This recipe explains how do dictionaries work in Julia.

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Recipe Objective: How do Dictionaries work in Julia?

This recipe explains how do Dictionaries work in Julia.
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Dict() Method

A dictionary is a collection of key-value pairs, where each value in the dictionary corresponds with a key. Dictionary is similar to an array, but in a dictionary, the indices can be of any type, while in an array, the indices are of only integer type only. Its syntax is Dict{key, val}("key1" => val1, "key2" => val2, ...)

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d1 = Dict()
println(d1)

d2 = Dict("x" => 3, "y" => 2, "z" => 1)
println(d2)

d3 = Dict{String, Integer}("z" => 10, "x" => 20)
println(d3)

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