I needed to remind myself how to handle possibly unexpected keyword arguments in Python 2

args_kwargs.ipynb

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   "cells": [
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     "cell_type": "markdown",
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     "source": [
      "Question: \n",
      "\n",
      "if I have a function \n",
      "\n",
      "````Python\n",
      "def f(a,b,c='default for c'):\n",
      "     print a, b, c\n",
      "     \n",
      "````\n",
      "\n",
      "and I want to pass it variables other than a,b,c, can I do so  with **kwargs?\n",
      "\n",
      "The way variables are handled might be different in Python 3.\n"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "def f(a,b,c='default for c'):\n",
      "     print a, b, c"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [],
     "prompt_number": 1
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "f(1,2)"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "1 2 default for c\n"
       ]
      }
     ],
     "prompt_number": 2
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "def g(a,b,c='default for c', **kwargs):\n",
      "     print a, b, c, kwargs"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [],
     "prompt_number": 3
    },
    {
     "cell_type": "code",
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     "input": [
      "g(1,2, dog='cat')"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": [
        "1 2 default for c {'dog': 'cat'}\n"
       ]
      }
     ],
     "prompt_number": 4
    },
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     "cell_type": "markdown",
     "metadata": {},
     "source": [
      "Tentative conclusion:  **kwargs will suck up kw args notexplicity named."
     ]
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