![\"Open](\"https://colab.research.google.com/assets/colab-badge.svg\" "\\"Open"){kind=icon}
![\"Download\"](\"https://img.shields.io/badge/Github-Download-blue.svg\" "\\"Download"){kind=icon}
"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": [
"# IMPORT DATA FILES USED BY THIS NOTEBOOK\n",
"import os, requests\n",
"\n",
"file_links = [(\"data/ChemicalSymbols.csv\", \"https://ndcbe.github.io/cbe-xx258/data/ChemicalSymbols.csv\")]\n",
"\n",
"# This cell has been added by nbpages. Run this cell to download data files required for this notebook.\n",
"\n",
"for filepath, fileurl in file_links:\n",
" stem, filename = os.path.split(filepath)\n",
" if stem:\n",
" if not os.path.exists(stem):\n",
" os.mkdir(stem)\n",
" if not os.path.isfile(filepath):\n",
" with open(filepath, 'wb') as f:\n",
" response = requests.get(fileurl)\n",
" f.write(response.content)\n"
]
},
{
"cell_type": "markdown",
"metadata": {
"colab_type": "text",
"id": "rG3kq9V5BPoN",
"nbpages": {
"level": 1,
"link": "[1.5 List, Dictionaries, and Enumeration](https://ndcbe.github.io/cbe-xx258/01.05-Lists-Dictionaries-Enumerate.html#1.5-List,-Dictionaries,-and-Enumeration)",
"section": "1.5 List, Dictionaries, and Enumeration"
}
},
"source": [
"# 1.5 List, Dictionaries, and Enumeration"
]
},
{
"cell_type": "markdown",
"metadata": {
"nbpages": {
"level": 1,
"link": "[1.5 List, Dictionaries, and Enumeration](https://ndcbe.github.io/cbe-xx258/01.05-Lists-Dictionaries-Enumerate.html#1.5-List,-Dictionaries,-and-Enumeration)",
"section": "1.5 List, Dictionaries, and Enumeration"
}
},
"source": [
"**Reference**: Chapters 2 and 5 of *Computational Nuclear Engineering and Radiological Science Using Python*, R. McClarren (2018) "
]
},
{
"cell_type": "markdown",
"metadata": {
"nbpages": {
"level": 2,
"link": "[1.5.1 Learning Objectives](https://ndcbe.github.io/cbe-xx258/01.05-Lists-Dictionaries-Enumerate.html#1.5.1-Learning-Objectives)",
"section": "1.5.1 Learning Objectives"
}
},
"source": [
"## 1.5.1 Learning Objectives\n",
"\n",
"After studying this notebook, completing the activities, and asking questions in class, you should be able to:\n"
]
},
{
"cell_type": "markdown",
"metadata": {
"nbpages": {
"level": 2,
"link": "[1.5.2 Lists](https://ndcbe.github.io/cbe-xx258/01.05-Lists-Dictionaries-Enumerate.html#1.5.2-Lists)",
"section": "1.5.2 Lists"
}
},
"source": [
"## 1.5.2 Lists"
]
},
{
"cell_type": "markdown",
"metadata": {
"nbpages": {
"level": 2,
"link": "[1.5.2 Lists](https://ndcbe.github.io/cbe-xx258/01.05-Lists-Dictionaries-Enumerate.html#1.5.2-Lists)",
"section": "1.5.2 Lists"
}
},
"source": [
"You can also do other fun stuff with for loops. For instance, you can have the control variable take on non-numeric things:"
]
},
{
"cell_type": "code",
"execution_count": 1,
"metadata": {
"nbpages": {
"level": 2,
"link": "[1.5.2 Lists](https://ndcbe.github.io/cbe-xx258/01.05-Lists-Dictionaries-Enumerate.html#1.5.2-Lists)",
"section": "1.5.2 Lists"
}
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"It is Monday and I will wear a fedora\n",
"It is Tuesday and I will wear a trilby\n",
"It is Wednesday and I will wear a porkpie\n",
"It is Thursday and I will wear a tam o'shanter\n",
"It is Friday and I will wear a Phrygian cap\n",
"It is Saturday and I will wear a Beefeaters' hat\n",
"It is Sunday and I will wear a sombrero\n"
]
}
],
"source": [
"#silly hat code\n",
"hats = [\"fedora\",\"trilby\",\"porkpie\",\"tam o'shanter\",\n",
" \"Phrygian cap\",\"Beefeaters' hat\",\"sombrero\"]\n",
"days = [\"Monday\",\"Tuesday\",\"Wednesday\",\"Thursday\",\n",
" \"Friday\",\"Saturday\",\"Sunday\"]\n",
"count = 0\n",
"for today in hats:\n",
" print(\"It is\",days[count],\"and I will wear a\",today)\n",
" count += 1"
]
},
{
"cell_type": "markdown",
"metadata": {
"nbpages": {
"level": 2,
"link": "[1.5.2 Lists](https://ndcbe.github.io/cbe-xx258/01.05-Lists-Dictionaries-Enumerate.html#1.5.2-Lists)",
"section": "1.5.2 Lists"
}
},
"source": [
"Notice what else we did here: we defined a list called `days` that contained strings for the names of the days of the week. Inside our `for` loop we had a numeric variable that kept track of what number the day of the week was (0 for Monday in this case). Then when we access days[count] it returns the string in position count.\n",
"\n",
"We can go one step beyond and plan our wardrobe a month in advance using random numbers. The code below generates a random integer between 0 and 6:"
]
},
{
"cell_type": "code",
"execution_count": 2,
"metadata": {
"nbpages": {
"level": 2,
"link": "[1.5.2 Lists](https://ndcbe.github.io/cbe-xx258/01.05-Lists-Dictionaries-Enumerate.html#1.5.2-Lists)",
"section": "1.5.2 Lists"
}
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"0\n"
]
}
],
"source": [
"import random\n",
"my_random_number = round(random.uniform(0,6))\n",
"print(my_random_number)"
]
},
{
"cell_type": "markdown",
"metadata": {
"nbpages": {
"level": 2,
"link": "[1.5.2 Lists](https://ndcbe.github.io/cbe-xx258/01.05-Lists-Dictionaries-Enumerate.html#1.5.2-Lists)",
"section": "1.5.2 Lists"
}
},
"source": [
"
"
]
}
],
"metadata": {
"colab": {
"collapsed_sections": [
"EjPprXYjBPog",
"JKLdQ1x6BPom"
],
"name": "L5-Dictionaries-and-Functions-as-Arguments.ipynb",
"provenance": [],
"version": "0.3.2"
},
"kernelspec": {
"display_name": "Python 3",
"language": "python",
"name": "python3"
},
"language_info": {
"codemirror_mode": {
"name": "ipython",
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"file_extension": ".py",
"mimetype": "text/x-python",
"name": "python",
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