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#!/usr/bin/env julia
using Test: @test, @testset
function percentage_of_character(str::AbstractString, char::Char)::Int
if char in str
ceil(Int, 100 * count(x -> x == char, str) / lastindex(str))
else
return 0
end
end
@testset "percentage of character" begin
@test percentage_of_character("perl", 'e') == 25
@test percentage_of_character("java", 'a') == 50
@test percentage_of_character("python", 'm') == 0
@test percentage_of_character("ada", 'a') == 67
@test percentage_of_character("ballerina", 'l') == 23
@test percentage_of_character("analitik", 'k') == 13
end
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