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First commit notebooks for python
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cif2cif
187
python/1__10_Modules_Packages.ipynb
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187
python/1__10_Modules_Packages.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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"![](http://www.upm.es/sfs/Rectorado/Gabinete%20del%20Rector/Logos/UPM/EscPolitecnica/EscUpmPolit_p.gif \"UPM\")"
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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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"# Course Notes for Learning Intelligent Systems"
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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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"Department of Telematic Engineering Systems, Universidad Politécnica de Madrid, © 2015 Carlos A. Iglesias"
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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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"# Modules and Packages\n",
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"\n",
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"*Modules* contains definitions and objects that can be reused in other programmes.\n",
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"\n",
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"*Packages* contain subpackages of modules. They are directories and provide the namespace for modules.\n",
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"\n",
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"For example, let's have this package sound, a subpackage effects and the modules echo and surround:\n",
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"\n",
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"<code>\n",
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"babel/\n",
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" messages/\n",
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" \\_\\_init\\_\\_.py\n",
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" plurals.py\n",
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" catalog.py\n",
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"</code>\n",
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"\n"
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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": 9,
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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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"ename": "NameError",
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"evalue": "name 'plurals' is not defined",
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"output_type": "error",
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"traceback": [
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"\u001b[1;31m---------------------------------------------------------------------------\u001b[0m",
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"\u001b[1;31mNameError\u001b[0m Traceback (most recent call last)",
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"\u001b[1;32m<ipython-input-9-1ca6b7751408>\u001b[0m in \u001b[0;36m<module>\u001b[1;34m()\u001b[0m\n\u001b[0;32m 1\u001b[0m \u001b[1;31m# We can import the module plural with import\u001b[0m\u001b[1;33m\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m 2\u001b[0m \u001b[1;32mimport\u001b[0m \u001b[0mbabel\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0mmessages\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0mplurals\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[1;32m----> 3\u001b[1;33m \u001b[0mplurals\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0mget_plural\u001b[0m\u001b[1;33m(\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0m",
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"\u001b[1;31mNameError\u001b[0m: name 'plurals' is not defined"
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]
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}
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],
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"source": [
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"# We can import the module plural with import, but we should use the full name\n",
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"import babel.messages.plurals\n",
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"plurals.get_plural()"
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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": 10,
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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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"data": {
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"text/plain": [
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"(2, '(n != 1)')"
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]
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},
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"execution_count": 10,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"source": [
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"import babel.messages.plurals\n",
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"babel.messages.plurals.get_plural()"
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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": 12,
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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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"data": {
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"text/plain": [
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"(2, '(n != 1)')"
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]
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},
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"execution_count": 12,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"source": [
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"from babel.messages import plurals # with from-import, we can use the short name\n",
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"plurals.get_plural()"
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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": 14,
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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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"data": {
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"text/plain": [
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"(2, '(n != 1)')"
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]
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},
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"execution_count": 14,
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"metadata": {},
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"output_type": "execute_result"
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}
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],
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"source": [
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"from babel.messages.plurals import get_plural # now we can use directly get_plural()\n",
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"get_plural()"
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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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"To write a module, it is just needed to include the code in a file ended with \".py\" and the name of the file is the name of the module.\n",
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"\n",
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"Packages are directories that should have a file \\_\\_.init\\_\\_.py, that can be an empty file or contain initialization code."
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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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"# Licence"
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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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"The notebook is freely licensed under under the [Creative Commons Attribution Share-Alike license](https://creativecommons.org/licenses/by/2.0/). \n",
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"\n",
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"© 2015 Carlos A. Iglesias, Universidad Politécnica de Madrid."
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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 3",
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"language": "python",
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"name": "python3"
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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": 3
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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": "ipython3",
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"version": "3.5.1"
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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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}
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