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063. concatenate list of lists

VBScript

JScript

Perl

PHP

Python

Ruby

PowerShell

Scala

List(List(1,2), List(3,4)).flatten

F#

OCaml

List.concat [[1;2];[3;4]]

Haskell

C

C++

C++Builder

VC++

C#

Java

Objective-C

D

VB

VB.NET

Delphi

Ada

PL/SQL

T-SQL