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Former-commit-id: fbd6818 Former-commit-id: 97fa4db13d49d503c9895c46fc8a88a1d6a844e4 [formerly 5c8e072d99de830070c734800b8a5cfdb4345583] [formerly 16f59ebcfe637bc2cc8fe0d58f58548b821e9152 [formerly c5e0cb069751c1aba2f079a7711575ae24f439b6]] [formerly 2d78b3f89fb5897f3afad247eddb77ade858efb7 [formerly 261bb0ffcaf80f6a2f42ae4cbb26f38ba5959ca6] [formerly 32e05072c7208e58b4f38cc1ad5acbc0637d763d [formerly 3e9d138f2fcba1d2f97f3b10124c29b923c59f3f]]] [formerly b1c6c22f9fd2d4caf6c32a4d488c909e7b460013 [formerly 040c069288b81900734717f0753ba8799731327e] [formerly 661324b26056be7914d55b24252bc71acf764e43 [formerly 157184dd29172482a156f24168b9d9cd33859093]] [formerly bbcd61d2eb03a2694d290ed46ebc416fb9a92eef [formerly 644ded442e4f5a0459abc3cda3b3d7f11bc6da67] [formerly 7fad748713f9bb77aa6dc931d745d7d2c5c5f220 [formerly 54b8b81]]]] Former-commit-id: c062bef06b3b8cbeca5a736fcd1958699802562d [formerly 4687f6362a3e89cae099ce74efb8aa9c71f3721e] [formerly 442947b6d711eb9b800e9a98c5a743b45f3ef2d9 [formerly b84170c13262873a83a1755b3db28977655fb98d]] [formerly fd22f645a6329919e14fd5c0d612961b709003cc [formerly 99dfb643dffa50a16fcd5bb5b4d4bd85cd50591e] [formerly 7769161054b82b61221542d328b05e298e8f85ef [formerly 722dcd33b58417b5a894f0906fe31dcc6cd9e1ab]]] Former-commit-id: a92701bf344b2fda0f75ad3fb93fcf7e0ff1c31a [formerly 8b79bc74c68edc52f423a73dedd3ed9ed440c056] [formerly 7d9d983ec31a6ebeb5af8658c78fdd4a9048cd06 [formerly 627b7e85592a0fa5855d0b16c4a7dee9042c2211]] Former-commit-id: b6e4800d9a2119e8a87826cbb634c3b16ad9ec5c [formerly cd98c6d262fde6634d46e0d13061317e9b50a3b6] Former-commit-id: 6253ef4461df409f79b14f9ee4802bdaf1a2ee76
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‎11. useful tools/11.01 pprint.ipynb‎

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{
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"cells": [
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"# pprint 模块：打印 Python 对象"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"`pprint` 是 pretty printer 的缩写，用来打印 Python 数据结构，与 `print` 相比，它打印出来的结构更加整齐，便于阅读。"
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]
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},
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{
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"cell_type": "code",
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"execution_count": 1,
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"metadata": {
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"collapsed": true
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},
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"outputs": [],
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"source": [
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"import pprint"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"生成一个 Python 对象："
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]
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},
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{
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"cell_type": "code",
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"execution_count": 2,
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"metadata": {
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"collapsed": true
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},
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"outputs": [],
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"source": [
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"data = (\n",
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" \"this is a string\", \n",
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" [1, 2, 3, 4], \n",
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" (\"more tuples\", 1.0, 2.3, 4.5), \n",
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" \"this is yet another string\"\n",
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" )"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"使用普通的 `print` 函数："
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]
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},
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{
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"cell_type": "code",
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"execution_count": 3,
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"metadata": {
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"collapsed": false
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},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"('this is a string', [1, 2, 3, 4], ('more tuples', 1.0, 2.3, 4.5), 'this is yet another string')\n"
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]
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}
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],
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"source": [
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"print data"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"使用 `pprint` 模块中的 `pprint` 函数："
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]
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},
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{
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"cell_type": "code",
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"execution_count": 4,
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"metadata": {
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"collapsed": false
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},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"('this is a string',\n",
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" [1, 2, 3, 4],\n",
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" ('more tuples', 1.0, 2.3, 4.5),\n",
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" 'this is yet another string')\n"
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]
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}
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],
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"source": [
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"pprint.pprint(data)"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"可以看到，这样打印出来的公式更加美观。"
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]
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}
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],
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"metadata": {
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"kernelspec": {
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"display_name": "Python 2",
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"language": "python",
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"name": "python2"
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},
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"language_info": {
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"codemirror_mode": {
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"name": "ipython",
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"version": 2
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},
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"file_extension": ".py",
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"mimetype": "text/x-python",
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"name": "python",
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"nbconvert_exporter": "python",
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"pygments_lexer": "ipython2",
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"version": "2.7.6"
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}
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},
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"nbformat": 4,
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"nbformat_minor": 0
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}

‎11. useful tools/11.02 pickle and cPickle.ipynb.REMOVED.git-id‎

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‎11. useful tools/11.03 json.ipynb.REMOVED.git-id‎

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