[ADD] trying arrays

02_Arrays.jl

@@ -0,0 +1,44 @@
+println([5,7,8])
+println(Int8[5,7,8])
+println(["one", "two", "three"])
+println([true,"two",3,4.0])
+println([2,3.0])
+println(Array{Int8}(10))
+println(ones(Int8,5))
+println(zeros(Int8,3))
+
+t = (3,4,1)
+println(typeof(t))
+println(typeof((true,1.0)))
+println(collect(t))
+
+a = [5,6,7,8]
+println(a[1])
+println(a[3:end])
+
+b = a
+b[1] = 0
+
+println(a)
+
+c = a[:]
+c[1] = 99
+println(a)
+println(c)
+
+a[[1,2,4]] = 2
+println(a)
+pop!(a)
+println(a)
+push!(a,9)
+println(a)
+unshift!(a,3) # queue insert
+println(a)
+
+prices = [10,20,30]
+
+println(sum(prices))
+
+amounts = [2,2,1]
+println(amounts .* prices)
+println(amounts .- prices)