📅  最后修改于: 2022-03-11 14:48:01.740000             🧑  作者: Mango
Erlang/OTP 21.0 [64-bit] [smp:2:2] [...]
Interactive Elixir (1.11.3) - press Ctrl+C to exit
iex(1)> 40 + 2
42
iex(2)> "hello" <> " world"
"hello world"