mirror of
https://github.com/titanscouting/tra-analysis.git
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125 lines
3.0 KiB
Plaintext
125 lines
3.0 KiB
Plaintext
{
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"cells": [
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{
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"cell_type": "code",
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"execution_count": 28,
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"metadata": {},
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"outputs": [],
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"source": [
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"import re\n",
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"from decimal import Decimal\n",
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"from functools import reduce"
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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": 29,
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"metadata": {},
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"outputs": [],
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"source": [
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"def add(string):\n",
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" while(len(re.findall(\"[+]{1}[-]?\", string)) != 0):\n",
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" string = re.sub(\"[-]?\\d+[.]?\\d*[+]{1}[-]?\\d+[.]?\\d*\", str(sum([Decimal(i) for i in re.split(\"[+]{1}\", re.search(\"[-]?\\d+[.]?\\d*[+]{1}[-]?\\d+[.]?\\d*\", string).group())])), string, 1)\n",
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" return string"
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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": 30,
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"metadata": {},
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"outputs": [],
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"source": [
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"def sub(string):\n",
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" while(len(re.findall(\"\\d+[.]?\\d*[-]{1,2}\\d+[.]?\\d*\", string)) != 0):\n",
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" g = re.search(\"\\d+[.]?\\d*[-]{1,2}\\d+[.]?\\d*\", string).group()\n",
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" if(re.search(\"[-]{1,2}\", g).group() == \"-\"):\n",
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" r = re.sub(\"[-]{1}\", \"+-\", g, 1)\n",
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" string = re.sub(g, r, string, 1)\n",
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" elif(re.search(\"[-]{1,2}\", g).group() == \"--\"):\n",
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" r = re.sub(\"[-]{2}\", \"+\", g, 1)\n",
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" string = re.sub(g, r, string, 1)\n",
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" else:\n",
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" pass\n",
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" return string"
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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": 31,
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"metadata": {},
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"outputs": [],
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"source": [
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"def mul(string):\n",
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" while(len(re.findall(\"[*]{1}[-]?\", string)) != 0):\n",
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" string = re.sub(\"[-]?\\d+[.]?\\d*[*]{1}[-]?\\d+[.]?\\d*\", str(reduce((lambda x, y: x * y), [Decimal(i) for i in re.split(\"[*]{1}\", re.search(\"[-]?\\d+[.]?\\d*[*]{1}[-]?\\d+[.]?\\d*\", string).group())])), string, 1)\n",
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" return string"
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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": 32,
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"metadata": {},
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"outputs": [
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{
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"output_type": "stream",
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"name": "stdout",
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"text": "-30\n"
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}
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],
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"source": [
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"def eval(string):\n",
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" string = mul(string)\n",
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" string = sub(string)\n",
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" string = add(string)\n",
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" return string"
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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": 34,
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"metadata": {},
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"outputs": [
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{
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"output_type": "execute_result",
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"data": {
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"text/plain": "-22"
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},
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"metadata": {},
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"execution_count": 34
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}
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],
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"source": [
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"string = \"2--3+4-5*6-1\"\n",
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"eval(string)"
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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": null,
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"metadata": {},
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"outputs": [],
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"source": []
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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": "3.7.6-final"
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}
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},
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"nbformat": 4,
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"nbformat_minor": 4
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} |