Improve environment #1

smnp/library/function/list.py

@@ -0,0 +1,19 @@
+from functools import reduce
+
+
+def combine(args, env):
+    if all(type(x) == list for x in args):
+        return reduce((lambda x, y: x + y), args)
+
+
+def flat(args, env):
+    return _flat(args, [])
+
+
+def _flat(input, output = []):
+    for item in input:
+        if type(item) == list:
+            _flat(item, output)
+        else:
+            output.append(item)
+    return output