Challenge #76

def title_case(str,exceptions)
    str = str.split(" ")
    nstr = []
    do_cap = true
    for i in 0..str.length-1
        do_cap = true
        for e in exceptions
            if str[i] == e
                do_cap = false
                nstr << str[i].to_s
            end
        end
        if do_cap == true
            str[i] = cap(str[i])
            nstr << str[i]
        end
    end
    nstr = nstr.join(" ")
    return nstr
end

def cap(str)
    str = str.split("")
    length = str.length
    p1 = str[0].upcase
    p2 = str.slice!(1..length)
    return p1.to_s+p2.to_s

end

puts  title_case("This is a string",["is","a"])