Data commit

Task/Array-concatenation/K/array-concatenation-1.k

@@ -0,0 +1,4 @@
+    a: 1 2 3
+    b: 4 5 6
+    a,b
+1 2 3 4 5 6

Task/Array-concatenation/K/array-concatenation-2.k

@@ -0,0 +1,32 @@
+   ab:3 3#"abcdefghi"
+("abc"
+ "def"
+ "ghi")
+
+   dd:3 3#"012345678"
+("012"
+ "345"
+ "678")
+
+   ab,dd
+("abc"
+ "def"
+ "ghi"
+ "012"
+ "345"
+ "678")
+
+   +ab,dd   / flip (transpose) join
+("adg036"
+ "beh147"
+ "cfi258")
+
+   ab,'dd   / eachpair join
+("abc012"
+ "def345"
+ "ghi678")
+
+   +(+ab),dd
+("abc036"
+ "def147"
+ "ghi258")