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Added *args, **kwargs snippet.

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Donne Martin 2015-01-26 16:59:02 -05:00
parent 84fb0356bf
commit 90a0fd501f
1 changed files with 51 additions and 8 deletions
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59
core/functions.ipynb
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@ -1,7 +1,7 @@
{ {
"metadata": { "metadata": {
"name": "", "name": "",
"signature": "sha256:1c8db5161bc70c65141de06823a3be29e8f58e1668a4090282d39002eabd8adb" "signature": "sha256:a3a2ee34a40ca6d18902bc7ba52393ce71aa5dda1937d48cdd0db3044dc235bf"
}, },
"nbformat": 3, "nbformat": 3,
"nbformat_minor": 0, "nbformat_minor": 0,
@ -150,7 +150,7 @@
"core.tests.test_transform_util.TestTransformUtil.test_remove_punctuation ... ok\r\n", "core.tests.test_transform_util.TestTransformUtil.test_remove_punctuation ... ok\r\n",
"\r\n", "\r\n",
"----------------------------------------------------------------------\r\n", "----------------------------------------------------------------------\r\n",
"Ran 3 tests in 0.002s\r\n", "Ran 3 tests in 0.001s\r\n",
"\r\n", "\r\n",
"OK\r\n" "OK\r\n"
] ]
@ -193,13 +193,13 @@
{ {
"metadata": {}, "metadata": {},
"output_type": "pyout", "output_type": "pyout",
"prompt_number": 7, "prompt_number": 4,
"text": [ "text": [
"['f', 'b', 'fo', 'ba', 'foo', 'baz', 'bar,']" "['f', 'b', 'fo', 'ba', 'foo', 'baz', 'bar,']"
] ]
} }
], ],
"prompt_number": 7 "prompt_number": 4
}, },
{ {
"cell_type": "markdown", "cell_type": "markdown",
@ -238,7 +238,7 @@
] ]
} }
], ],
"prompt_number": 31 "prompt_number": 5
}, },
{ {
"cell_type": "markdown", "cell_type": "markdown",
@ -266,7 +266,7 @@
"language": "python", "language": "python",
"metadata": {}, "metadata": {},
"outputs": [], "outputs": [],
"prompt_number": 34 "prompt_number": 6
}, },
{ {
"cell_type": "code", "cell_type": "code",
@ -282,13 +282,56 @@
{ {
"metadata": {}, "metadata": {},
"output_type": "pyout", "output_type": "pyout",
"prompt_number": 46, "prompt_number": 7,
"text": [ "text": [
"[False, True, False, False, False, False, False, True, True, True]" "[False, True, False, False, False, False, False, True, True, True]"
] ]
} }
], ],
"prompt_number": 46 "prompt_number": 7
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## \\*args, \\*\\*kwargs"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"\\*args and \\*\\*kwargs are useful when you don't know how many arguments might be passed to your function or to handle named arguments that you have not defined in advance."
]
},
{
"cell_type": "code",
"collapsed": false,
"input": [
"def foo(func, arg, *args, **kwargs):\n",
" print('arg: %s', arg)\n",
" print('args: %s', args)\n",
" print('kwargs: %s', kwargs)\n",
" \n",
" print('func result: %s', func(args))\n",
"\n",
"foo(sum, \"foo\", 1, 2, 3, 4, 5)"
],
"language": "python",
"metadata": {},
"outputs": [
{
"output_type": "stream",
"stream": "stdout",
"text": [
"('arg: %s', 'foo')\n",
"('args: %s', (1, 2, 3, 4, 5))\n",
"('kwargs: %s', {})\n",
"('func result: %s', 15)\n"
]
}
],
"prompt_number": 8
} }
], ],
"metadata": {} "metadata": {}