= Python librerias
{{tag>python}}
== collections
<code python>from collections import defaultdict
var = defaultdict(int)
var2 = defautldict(set)</code>
    * todos los elementos seteados a 0 o vacío por defecto
== pickle
  * serialización de objetos
  * ''from pickle import TRUE!'' -> ?
== trace
<code python>import ipdb; ipdb.set_trace()</code>
<code python>from IPython.core import debugger
BP=debugger.Pdb().set_trace</code>
<code python>from IPython.core.debugger import set_trace
set_trace()</code>