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more snippits
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‎date_and_time_basics.ipynb

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{
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"metadata": {
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"name": "",
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"signature": "sha256:54f7c7737775a39294a7ad5f519a6d41130263335b942927e415405b0924d91f"
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},
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"nbformat": 3,
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"nbformat_minor": 0,
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"worksheets": [
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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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"# Date And Time Basics\n",
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"\n",
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"This snippit was written by [Chris R. Albon](http://www.chrisralbon.com/) and is part of his collection of [well-documented Python snippits](https://github.com/chrisalbon/code_py). All code is written in Python 3 in iPython notebook and offered under the [Creative Commons Attribution-ShareAlike 4.0 International License](http://creativecommons.org/licenses/by-sa/4.0/)."
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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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"### Import modules"
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]
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},
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{
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"cell_type": "code",
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"collapsed": false,
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"input": [
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"from datetime import datetime\n",
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"from datetime import timedelta"
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],
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"language": "python",
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"metadata": {},
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"outputs": [],
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"prompt_number": 24
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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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"### Create a variable with the current time"
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]
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},
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{
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"cell_type": "code",
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"collapsed": false,
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"input": [
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"now = datetime.now()\n",
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"now"
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],
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"language": "python",
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"metadata": {},
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"outputs": [
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{
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"metadata": {},
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"output_type": "pyout",
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"prompt_number": 25,
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"text": [
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"datetime.datetime(2014, 5, 11, 20, 5, 11, 688051)"
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]
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}
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],
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"prompt_number": 25
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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 current year"
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]
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},
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{
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"cell_type": "code",
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"collapsed": false,
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"input": [
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"now.year"
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],
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"language": "python",
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"metadata": {},
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"outputs": [
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{
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"metadata": {},
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"output_type": "pyout",
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"prompt_number": 26,
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"text": [
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"2014"
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]
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}
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],
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"prompt_number": 26
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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 current month"
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]
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},
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{
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"cell_type": "code",
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"collapsed": false,
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"input": [
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"now.month"
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],
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"language": "python",
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"metadata": {},
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"outputs": [
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{
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"metadata": {},
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"output_type": "pyout",
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"prompt_number": 27,
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"text": [
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"5"
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]
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}
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],
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"prompt_number": 27
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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 current day"
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]
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},
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{
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"cell_type": "code",
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"collapsed": false,
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"input": [
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"now.day"
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],
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"language": "python",
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"metadata": {},
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"outputs": [
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{
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"metadata": {},
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"output_type": "pyout",
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"prompt_number": 28,
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"text": [
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"11"
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]
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}
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],
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"prompt_number": 28
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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 current hour"
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]
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},
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{
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"cell_type": "code",
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"collapsed": false,
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"input": [
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"now.hour"
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],
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"language": "python",
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"metadata": {},
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"outputs": [
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{
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"metadata": {},
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"output_type": "pyout",
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"prompt_number": 29,
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"text": [
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"20"
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]
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}
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],
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"prompt_number": 29
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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 current minute"
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]
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},
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{
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"cell_type": "code",
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"collapsed": false,
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"input": [
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"now.minute"
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],
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"language": "python",
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"metadata": {},
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"outputs": [
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{
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"metadata": {},
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"output_type": "pyout",
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"prompt_number": 30,
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"text": [
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"5"
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]
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}
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],
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"prompt_number": 30
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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 difference between two dates"
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]
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},
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{
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"cell_type": "code",
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"collapsed": false,
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"input": [
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"delta = datetime(2011, 1, 7) - datetime(2011, 1, 6)\n",
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"delta"
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],
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"language": "python",
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"metadata": {},
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"outputs": [
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{
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"metadata": {},
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"output_type": "pyout",
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"prompt_number": 37,
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"text": [
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"datetime.timedelta(1)"
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]
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}
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],
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"prompt_number": 37
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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 difference days"
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]
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},
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{
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"cell_type": "code",
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"collapsed": false,
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"input": [
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"delta.days"
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],
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"language": "python",
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"metadata": {},
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"outputs": [
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{
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"metadata": {},
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"output_type": "pyout",
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"prompt_number": 38,
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"text": [
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"1"
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]
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}
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],
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"prompt_number": 38
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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 difference seconds"
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]
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},
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{
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"cell_type": "code",
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"collapsed": false,
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"input": [
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"delta.seconds"
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],
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"language": "python",
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"metadata": {},
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"outputs": [
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{
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"metadata": {},
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"output_type": "pyout",
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"prompt_number": 39,
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"text": [
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"0"
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]
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}
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],
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"prompt_number": 39
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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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"### Create a time"
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]
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},
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{
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"cell_type": "code",
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"collapsed": false,
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"input": [
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"start = datetime(2011, 1, 7)"
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],
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"language": "python",
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"metadata": {},
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"outputs": [],
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"prompt_number": 35
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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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"### Add twelve days to the time"
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]
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},
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{
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"cell_type": "code",
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"collapsed": false,
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"input": [
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"start + timedelta(12)"
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],
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"language": "python",
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"metadata": {},
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"outputs": [
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{
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"metadata": {},
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"output_type": "pyout",
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"prompt_number": 36,
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"text": [
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"datetime.datetime(2011, 1, 19, 0, 0)"
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]
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}
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],
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"prompt_number": 36
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}
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],
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"metadata": {}
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}
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]
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}

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