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Complete the make_pairs function. #14

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Complete the make_pairs function. #14

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67 changes: 59 additions & 8 deletions pairem.ipynb
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Original file line number Diff line number Diff line change
Expand Up @@ -33,7 +33,6 @@
"execution_count": null,
"metadata": {
"autoscroll": false,
"collapsed": false,
"ein.hycell": false,
"ein.tags": "worksheet-0",
"slideshow": {
Expand All @@ -43,17 +42,22 @@
"outputs": [],
"source": [
"import csv\n",
"import random as rd\n",
"\n",
"\n",
"with open('class.csv', 'r') as f: \n",
" students = [dict(l) for l in csv.DictReader(f)]"
" students = [dict(l) for l in csv.DictReader(f)]\n",
" for i in range(len(students)):\n",
" students[i][\"index_student\"]=i \n",
" \n",
"\n"
]
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 131,
"metadata": {
"autoscroll": false,
"collapsed": false,
"ein.hycell": false,
"ein.tags": "worksheet-0",
"slideshow": {
Expand All @@ -63,22 +67,48 @@
"outputs": [],
"source": [
"def make_pairs(students):\n",
" return []"
" \n",
" i = len(students)\n",
" \n",
" while (i>1):\n",
" \n",
" # exctract first name of the students\n",
" student_pairs.append([students[i].get(\"First Name\"),students[i-1].get(\"First Name\")])\n",
" \n",
" i = i-1\n",
" \n",
" if (len(students)==1):\n",
" print(\"Even number of students \" + students[0])\n",
" \n",
" return student_pairs\n",
"\n"
]
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 132,
"metadata": {
"autoscroll": false,
"collapsed": false,
"ein.hycell": false,
"ein.tags": "worksheet-0",
"slideshow": {
"slide_type": "-"
}
},
"outputs": [],
"outputs": [
{
"ename": "IndexError",
"evalue": "list index out of range",
"output_type": "error",
"traceback": [
"\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
"\u001b[0;31mIndexError\u001b[0m Traceback (most recent call last)",
"\u001b[0;32m<ipython-input-132-f49f784abb5e>\u001b[0m in \u001b[0;36m<module>\u001b[0;34m()\u001b[0m\n\u001b[1;32m 9\u001b[0m ]\n\u001b[1;32m 10\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m---> 11\u001b[0;31m \u001b[0mpairs\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mmake_pairs\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mtest_students\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m 12\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m 13\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n",
"\u001b[0;32m<ipython-input-131-e9b84300bffb>\u001b[0m in \u001b[0;36mmake_pairs\u001b[0;34m(students)\u001b[0m\n\u001b[1;32m 6\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m 7\u001b[0m \u001b[0;31m# exctract first name of the students\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m----> 8\u001b[0;31m \u001b[0mstudent_pairs\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mappend\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m[\u001b[0m\u001b[0mstudents\u001b[0m\u001b[0;34m[\u001b[0m\u001b[0mi\u001b[0m\u001b[0;34m]\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mget\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m\"First Name\"\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m,\u001b[0m\u001b[0mstudents\u001b[0m\u001b[0;34m[\u001b[0m\u001b[0mi\u001b[0m\u001b[0;34m+\u001b[0m\u001b[0;36m1\u001b[0m\u001b[0;34m]\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mget\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m\"First Name\"\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m]\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m 9\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m 10\u001b[0m \u001b[0mi\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mi\u001b[0m\u001b[0;34m-\u001b[0m\u001b[0;36m1\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
"\u001b[0;31mIndexError\u001b[0m: list index out of range"
]
}
],
"source": [
"# Write your own test for the assignment!\n",
"\n",
Expand All @@ -92,16 +122,37 @@
"\n",
"pairs = make_pairs(test_students)\n",
"\n",
"\n",
"# Write assertions here!\n",
"assert(type(pairs) == list)"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": []
}
],
"metadata": {
"kernelspec": {
"display_name": "Python 3",
"language": "python",
"name": "python3"
},
"language_info": {
"codemirror_mode": {
"name": "ipython",
"version": 3
},
"file_extension": ".py",
"mimetype": "text/x-python",
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.6.3"
},
"name": "Untitled.ipynb"
},
"nbformat": 4,
Expand Down