Strange behavior from lodash in Node REPL

out

> _ = require('lodash');
{ [Function: lodash]
  support: { funcDecomp: true, funcNames: true },
  templateSettings: 
   { escape: /<%-([\s\S]+?)%>/g,
     evaluate: /<%([\s\S]+?)%>/g,
     interpolate: /<%=([\s\S]+?)%>/g,
     variable: '',
     imports: { _: [Circular] } },
  after: [Function: after],
  assign: [Function],
  at: [Function: at],
  bind: [Function: bind],
  bindAll: [Function: bindAll],
  bindKey: [Function: bindKey],
  chain: [Function: chain],
...
> var range = _.range(0,10);
undefined
> _
undefined
> range
[ 0,
  1,
  2,
  3,
  4,
  5,
  6,
  7,
  8,
  9 ]
> _
[ 0,
  1,
  2,
  3,
  4,
  5,
  6,
  7,
  8,
  9 ]
>