[ADD] julia flow control

03_ControlFlow.jl

@@ -0,0 +1,74 @@
+x = 5
+println(x > 3 ? "yes" : "no")
+
+println(if x > 3 "yes" else "no" end)
+
+height = 180
+
+y = if height < 170
+    println("Short")
+elseif height < 190
+    println("Average")
+else
+    println("Tall")
+end
+
+i = 1
+a = while i<= 10
+    println(i)
+    i += 1
+end
+
+println(typeof(a))
+
+for i in 5:10
+    println(i)
+end
+
+
+for i in 5:2:10
+    println(i)
+end
+
+
+for i in 5:-1:1
+    println(i)
+end
+
+println(fieldnames(2:10))
+
+println((2:10).start)
+
+println((2:10).stop)
+
+for w in ["one", "two", "three"]
+    println(w)
+end
+
+for c in "abcd"
+    println(c)
+end
+
+for c in "αβγδ"
+    println(c)
+end
+
+x = 1
+
+println(x ∈ [1,2,3])
+
+println(x ∈ [4,2,3])
+
+for w ∈ ["one", "two", "three"]
+    println(w)
+end
+
+println([x^2 for x ∈ 1:5])
+
+println([(x,x^2) for x ∈ 1:8])
+
+for (i,x) in enumerate(3:3:20)
+    println(i, " ", x)
+end
+
+println(collect(enumerate(3:3:20)))