[ADD] Julia variables

05_Variables.jl

@@ -0,0 +1,44 @@
+x = 3
+println(typeof(x))
+
+x = "hello"
+println(typeof(x))
+
+øl = "beer"
+θ = 44
+
+δαω = "hi"
+
+println(δαω)
+# π = 3
+println(π)
+
+
+function myadd(x,y)
+    a::Int8 = 0
+    b::Int8 = 0
+    a = x
+    b = y
+    return a + b
+end
+
+
+function valuemix()
+    a::Int16 = 'A'
+    b::Int16 = true
+    c::Vector{Int8} = []
+    c = [2,4,6]
+    (a,b,c)
+end
+
+
+function mixup(args)
+    a::Int16 = 'A'::Int16
+end
+
+for i in 1:5
+    local y = i
+end
+
+const k = 1
+v = 1