ignore ipynb_checkpoints dirs
This commit is contained in:
parent
845b138856
commit
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GPG key ID:
79C4487B44403985
7 changed files with 2 additions and 352 deletions
2
.gitignore
vendored
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.gitignore
vendored
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.jupyter
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.jupyter
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.ipynb_checkpoints
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{
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"cells": [],
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"metadata": {},
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"nbformat": 4,
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"nbformat_minor": 5
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}
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{
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"cells": [
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{
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"cell_type": "code",
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"execution_count": 1,
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"id": "f6a5bb29-6834-41a0-a929-8e035675eb9d",
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"metadata": {},
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"outputs": [],
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"source": [
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"predict x = x `rem` 3 == 0 || x `rem` 5 == 0"
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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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"id": "3ce07c68-c750-4d39-b593-dcdb6e22fade",
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"metadata": {},
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"outputs": [],
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"source": [
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"filtered = filter predict [1..999]"
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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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"id": "52551454-c27c-4ac7-8967-02d9f1704fc8",
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"metadata": {},
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"outputs": [
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{
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"data": {
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"text/plain": [
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"[3,5,6,9,10,12,15,18,20,21,24,25,27,30,33,35,36,39,40,42,45,48,50,51,54,55,57,60,63,65,66,69,70,72,75,78,80,81,84,85,87,90,93,95,96,99,100,102,105,108,110,111,114,115,117,120,123,125,126,129,130,132,135,138,140,141,144,145,147,150,153,155,156,159,160,162,165,168,170,171,174,175,177,180,183,185,186,189,190,192,195,198,200,201,204,205,207,210,213,215,216,219,220,222,225,228,230,231,234,235,237,240,243,245,246,249,250,252,255,258,260,261,264,265,267,270,273,275,276,279,280,282,285,288,290,291,294,295,297,300,303,305,306,309,310,312,315,318,320,321,324,325,327,330,333,335,336,339,340,342,345,348,350,351,354,355,357,360,363,365,366,369,370,372,375,378,380,381,384,385,387,390,393,395,396,399,400,402,405,408,410,411,414,415,417,420,423,425,426,429,430,432,435,438,440,441,444,445,447,450,453,455,456,459,460,462,465,468,470,471,474,475,477,480,483,485,486,489,490,492,495,498,500,501,504,505,507,510,513,515,516,519,520,522,525,528,530,531,534,535,537,540,543,545,546,549,550,552,555,558,560,561,564,565,567,570,573,575,576,579,580,582,585,588,590,591,594,595,597,600,603,605,606,609,610,612,615,618,620,621,624,625,627,630,633,635,636,639,640,642,645,648,650,651,654,655,657,660,663,665,666,669,670,672,675,678,680,681,684,685,687,690,693,695,696,699,700,702,705,708,710,711,714,715,717,720,723,725,726,729,730,732,735,738,740,741,744,745,747,750,753,755,756,759,760,762,765,768,770,771,774,775,777,780,783,785,786,789,790,792,795,798,800,801,804,805,807,810,813,815,816,819,820,822,825,828,830,831,834,835,837,840,843,845,846,849,850,852,855,858,860,861,864,865,867,870,873,875,876,879,880,882,885,888,890,891,894,895,897,900,903,905,906,909,910,912,915,918,920,921,924,925,927,930,933,935,936,939,940,942,945,948,950,951,954,955,957,960,963,965,966,969,970,972,975,978,980,981,984,985,987,990,993,995,996,999]"
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]
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},
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"metadata": {},
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"output_type": "display_data"
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}
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],
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"source": [
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"-- filtered"
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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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"id": "1437aa9e-c83a-4bbb-a5c3-be4415f8b3f2",
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"metadata": {},
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"outputs": [
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{
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"data": {
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"text/plain": [
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"233168"
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]
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},
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"metadata": {},
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"output_type": "display_data"
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}
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],
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"source": [
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"sum filtered"
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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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"id": "311e677a-7185-4718-a839-ace350ecb502",
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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": "Haskell - haskell",
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"language": "haskell",
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"name": "ihaskell_haskell"
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},
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"language_info": {
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"codemirror_mode": "ihaskell",
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"file_extension": ".hs",
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"mimetype": "text/x-haskell",
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"name": "haskell",
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"pygments_lexer": "Haskell",
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"version": "9.0.2"
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}
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},
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"nbformat": 4,
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"nbformat_minor": 5
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}
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@ -1,169 +0,0 @@
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{
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"cells": [
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{
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"cell_type": "code",
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"execution_count": 1,
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"id": "bff727d0-70bf-42cf-a12c-ee5823037315",
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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":l <nixpkgs>\n",
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"Added 17051 variables.\u001b[0m\n",
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"\n"
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]
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}
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],
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"source": [
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":l <nixpkgs>"
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]
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},
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{
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"cell_type": "markdown",
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"id": "1de5854d-a1dd-4c88-bad5-571c0e4dab8e",
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"metadata": {},
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"source": [
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"# fake rem because nix doesn't support this operation"
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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": 2,
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"id": "8773113c-494f-45d8-a8c1-4f1ac8b60266",
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"rem = a: b:\n",
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" let\n",
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" x = builtins.div a b;\n",
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" cx = builtins.ceil x;\n",
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" in x == cx\n",
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"\n"
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]
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}
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],
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"source": [
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"rem = a: b:\n",
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" let\n",
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" x = builtins.div a b;\n",
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" cx = builtins.ceil x;\n",
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" in x == cx"
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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": 3,
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"id": "25c08a9f-b2ef-451a-9791-f0fd75cf6f00",
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"predicate = x: (rem x 3.) || (rem x 5.)\n",
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"\n"
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]
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}
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],
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"source": [
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"predicate = x: (rem x 3.) || (rem x 5.)"
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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": 8,
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"id": "754560b4-01c3-401c-a9ab-14fe56a9a80c",
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"input = lib.range 1 999\n",
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"\n"
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]
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}
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],
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"source": [
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"input = lib.range 1 999"
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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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"id": "1bbc464a-bedc-4742-ae1d-d06039df53f5",
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"filtered = lib.filter predicate input\n",
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"\n"
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]
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}
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],
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"source": [
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"filtered = lib.filter predicate input"
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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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"id": "5a08e129-b2fe-43b5-a22f-bb6a0e69adb6",
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"sum = list: lib.foldr builtins.add 0 list\n",
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"\n"
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]
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}
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],
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"source": [
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"sum = list: lib.foldr builtins.add 0 list"
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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": 11,
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"id": "1dcaf52d-5526-4755-9454-d79238b9454f",
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"metadata": {},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"sum filtered\n",
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"\u001b[36;1m233168\u001b[0m\n",
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"\n"
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]
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}
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],
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"source": [
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"sum filtered"
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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": "Nix - nix",
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"language": "Nix",
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"name": "inix_nix"
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},
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"language_info": {
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"file_extension": ".nix",
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"mimetype": "text/nix",
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"name": "nix"
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}
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},
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"nbformat": 4,
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"nbformat_minor": 5
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}
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@ -1,83 +0,0 @@
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{
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"cells": [
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{
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"cell_type": "code",
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"execution_count": 13,
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"id": "0f99fcb7-762f-447c-833d-f0e61b01cd3c",
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"metadata": {},
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"outputs": [],
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"source": [
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"fibs = 0 : 1 : zipWith (+) fibs (tail fibs)"
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]
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},
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{
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"cell_type": "markdown",
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"id": "21cd7022-93ad-44e4-af07-695f2831ca47",
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"metadata": {},
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"source": [
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"it looks like the following"
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]
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},
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{
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"cell_type": "raw",
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"id": "202121f5-b7d3-4a23-b29b-d0ad679cc5d2",
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"metadata": {},
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"source": [
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"0,1,1,2,3,5,8,13,21,34,55,89,144,233,377,610,987,1597,2584,4181,6765"
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]
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},
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{
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"cell_type": "markdown",
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"id": "e49c7c8c-8f40-4429-91c7-6f8ffd6ec261",
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"metadata": {},
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"source": [
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"get first item of each iteration and then drop 3 items from the beginning"
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]
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},
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{
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"cell_type": "raw",
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"id": "b92a154b-99ad-4558-aeb1-635a4ad04570",
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"metadata": {},
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"source": [
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"0,2,8,34,144,610,2584"
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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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"id": "9265e55e-64e6-4aff-a541-5896a032f66b",
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"metadata": {},
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"outputs": [
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{
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"data": {
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"text/plain": [
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"4613732"
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]
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},
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"metadata": {},
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"output_type": "display_data"
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}
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],
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"source": [
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"sum . takeWhile (<= 4000000) . map head . iterate (drop 3) $ fibs"
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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": "Haskell - haskell",
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"language": "haskell",
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"name": "ihaskell_haskell"
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},
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"language_info": {
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"codemirror_mode": "ihaskell",
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"file_extension": ".hs",
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"mimetype": "text/x-haskell",
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"name": "haskell",
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"pygments_lexer": "Haskell",
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"version": "9.0.2"
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}
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},
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"nbformat": 4,
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"nbformat_minor": 5
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}
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@ -1,5 +0,0 @@
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Each new term in the Fibonacci sequence is generated by adding the previous two terms. By starting with 1 and 2, the first 10 terms will be:
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1, 2, 3, 5, 8, 13, 21, 34, 55, 89, ...
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By considering the terms in the Fibonacci sequence whose values do not exceed four million, find the sum of the even-valued terms.
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