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This commit is contained in:
Sergey Lemeshevsky
2020-03-18 23:20:12 +03:00
parent 08ad4931ba
commit 73cefb6c28
5 changed files with 443 additions and 746 deletions
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207
collections.ipynb
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@@ -113,7 +113,7 @@
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@@ -127,7 +127,7 @@
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@@ -141,7 +141,7 @@
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@@ -163,7 +163,7 @@
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@@ -189,7 +189,7 @@
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@@ -219,7 +219,7 @@
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@@ -233,7 +233,7 @@
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@@ -259,7 +259,7 @@
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@@ -289,7 +289,7 @@
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@@ -320,7 +320,7 @@
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@@ -350,7 +350,7 @@
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@@ -378,7 +378,7 @@
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@@ -405,7 +405,7 @@
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@@ -461,7 +461,7 @@
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@@ -492,26 +492,14 @@
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{
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"execution_count": null,
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"outputs_hidden": false
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"outputs": [
{
"ename": "NameError",
"evalue": "name 'L' is not defined",
"output_type": "error",
"traceback": [
"\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
"\u001b[0;31mNameError\u001b[0m Traceback (most recent call last)",
"\u001b[0;32m<ipython-input-2-bdf2b9da3859>\u001b[0m in \u001b[0;36m<module>\u001b[0;34m\u001b[0m\n\u001b[0;32m----> 1\u001b[0;31m \u001b[0mL\u001b[0m\u001b[0;34m[\u001b[0m\u001b[0;36m0\u001b[0m\u001b[0;34m]\u001b[0m \u001b[0;34m==\u001b[0m \u001b[0mL\u001b[0m\u001b[0;34m[\u001b[0m\u001b[0;34m-\u001b[0m\u001b[0;36m6\u001b[0m\u001b[0;34m]\u001b[0m \u001b[0;34m==\u001b[0m \u001b[0;34m-\u001b[0m\u001b[0;36m17.5\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m 2\u001b[0m \u001b[0mL\u001b[0m\u001b[0;34m[\u001b[0m\u001b[0;36m1\u001b[0m\u001b[0;34m]\u001b[0m \u001b[0;34m==\u001b[0m \u001b[0mL\u001b[0m\u001b[0;34m[\u001b[0m\u001b[0;34m-\u001b[0m\u001b[0;36m5\u001b[0m\u001b[0;34m]\u001b[0m \u001b[0;34m==\u001b[0m \u001b[0;34m'kilo'\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m 3\u001b[0m \u001b[0mL\u001b[0m\u001b[0;34m[\u001b[0m\u001b[0;36m1\u001b[0m\u001b[0;34m]\u001b[0m\u001b[0;34m[\u001b[0m\u001b[0;36m0\u001b[0m\u001b[0;34m]\u001b[0m \u001b[0;34m==\u001b[0m \u001b[0mL\u001b[0m\u001b[0;34m[\u001b[0m\u001b[0;34m-\u001b[0m\u001b[0;36m5\u001b[0m\u001b[0;34m]\u001b[0m\u001b[0;34m[\u001b[0m\u001b[0;36m0\u001b[0m\u001b[0;34m]\u001b[0m \u001b[0;34m==\u001b[0m \u001b[0;34m'k'\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m 4\u001b[0m \u001b[0mL\u001b[0m\u001b[0;34m[\u001b[0m\u001b[0;36m4\u001b[0m\u001b[0;34m]\u001b[0m\u001b[0;34m[\u001b[0m\u001b[0;36m2\u001b[0m\u001b[0;34m]\u001b[0m \u001b[0;34m==\u001b[0m \u001b[0mL\u001b[0m\u001b[0;34m[\u001b[0m\u001b[0;36m4\u001b[0m\u001b[0;34m]\u001b[0m\u001b[0;34m[\u001b[0m\u001b[0;34m-\u001b[0m\u001b[0;36m1\u001b[0m\u001b[0;34m]\u001b[0m \u001b[0;34m==\u001b[0m \u001b[0mL\u001b[0m\u001b[0;34m[\u001b[0m\u001b[0;34m-\u001b[0m\u001b[0;36m2\u001b[0m\u001b[0;34m]\u001b[0m\u001b[0;34m[\u001b[0m\u001b[0;36m2\u001b[0m\u001b[0;34m]\u001b[0m \u001b[0;34m==\u001b[0m \u001b[0mL\u001b[0m\u001b[0;34m[\u001b[0m\u001b[0;34m-\u001b[0m\u001b[0;36m2\u001b[0m\u001b[0;34m]\u001b[0m\u001b[0;34m[\u001b[0m\u001b[0;34m-\u001b[0m\u001b[0;36m1\u001b[0m\u001b[0;34m]\u001b[0m \u001b[0;34m==\u001b[0m \u001b[0;34m'echo'\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m 5\u001b[0m \u001b[0mL\u001b[0m\u001b[0;34m[\u001b[0m\u001b[0;36m4\u001b[0m\u001b[0;34m]\u001b[0m\u001b[0;34m[\u001b[0m\u001b[0;36m2\u001b[0m\u001b[0;34m]\u001b[0m\u001b[0;34m[\u001b[0m\u001b[0;36m1\u001b[0m\u001b[0;34m]\u001b[0m \u001b[0;34m==\u001b[0m \u001b[0mL\u001b[0m\u001b[0;34m[\u001b[0m\u001b[0;36m4\u001b[0m\u001b[0;34m]\u001b[0m\u001b[0;34m[\u001b[0m\u001b[0;36m2\u001b[0m\u001b[0;34m]\u001b[0m\u001b[0;34m[\u001b[0m\u001b[0;34m-\u001b[0m\u001b[0;36m3\u001b[0m\u001b[0;34m]\u001b[0m \u001b[0;34m==\u001b[0m \u001b[0mL\u001b[0m\u001b[0;34m[\u001b[0m\u001b[0;34m-\u001b[0m\u001b[0;36m2\u001b[0m\u001b[0;34m]\u001b[0m\u001b[0;34m[\u001b[0m\u001b[0;34m-\u001b[0m\u001b[0;36m1\u001b[0m\u001b[0;34m]\u001b[0m\u001b[0;34m[\u001b[0m\u001b[0;36m1\u001b[0m\u001b[0;34m]\u001b[0m \u001b[0;34m==\u001b[0m \u001b[0mL\u001b[0m\u001b[0;34m[\u001b[0m\u001b[0;34m-\u001b[0m\u001b[0;36m2\u001b[0m\u001b[0;34m]\u001b[0m\u001b[0;34m[\u001b[0m\u001b[0;34m-\u001b[0m\u001b[0;36m1\u001b[0m\u001b[0;34m]\u001b[0m\u001b[0;34m[\u001b[0m\u001b[0;34m-\u001b[0m\u001b[0;36m3\u001b[0m\u001b[0;34m]\u001b[0m \u001b[0;34m==\u001b[0m \u001b[0;34m'c'\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
"\u001b[0;31mNameError\u001b[0m: name 'L' is not defined"
]
}
],
"outputs": [],
"source": [
"L[0] == L[-6] == -17.5\n",
"L[1] == L[-5] == 'kilo'\n",
@@ -579,7 +567,7 @@
},
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"metadata": {
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@@ -594,7 +582,7 @@
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@@ -609,7 +597,7 @@
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@@ -637,7 +625,7 @@
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@@ -660,7 +648,7 @@
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@@ -674,7 +662,7 @@
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@@ -689,7 +677,7 @@
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@@ -721,7 +709,7 @@
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{
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@@ -754,7 +742,7 @@
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{
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@@ -787,7 +775,7 @@
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@@ -888,7 +876,7 @@
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@@ -911,7 +899,7 @@
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@@ -932,7 +920,7 @@
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{
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@@ -967,7 +955,7 @@
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{
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@@ -996,7 +984,7 @@
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@@ -1086,7 +1074,7 @@
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{
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"metadata": {
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"jupyter": {
@@ -1217,26 +1205,14 @@
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{
"cell_type": "code",
"execution_count": 4,
"execution_count": null,
"metadata": {
"collapsed": false,
"jupyter": {
"outputs_hidden": false
}
},
"outputs": [
{
"ename": "NameError",
"evalue": "name 'files' is not defined",
"output_type": "error",
"traceback": [
"\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
"\u001b[0;31mNameError\u001b[0m Traceback (most recent call last)",
"\u001b[0;32m<ipython-input-4-943f481fddb7>\u001b[0m in \u001b[0;36m<module>\u001b[0;34m\u001b[0m\n\u001b[0;32m----> 1\u001b[0;31m \u001b[0mhtml\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0;34m{\u001b[0m\u001b[0mx\u001b[0m \u001b[0;32mfor\u001b[0m \u001b[0mx\u001b[0m \u001b[0;32min\u001b[0m \u001b[0mfiles\u001b[0m \u001b[0;32mif\u001b[0m \u001b[0mx\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mlower\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mendswith\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m\".htm\"\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0;34m\".html\"\u001b[0m\u001b[0;34m)\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[0;31mNameError\u001b[0m: name 'files' is not defined"
]
}
],
"outputs": [],
"source": [
"html = {x for x in files if x.lower().endswith((\".htm\", \".html\"))}"
]
@@ -1333,21 +1309,9 @@
},
{
"cell_type": "code",
"execution_count": 5,
"execution_count": null,
"metadata": {},
"outputs": [
{
"ename": "ModuleNotFoundError",
"evalue": "No module named 'collections.defaultdict'",
"output_type": "error",
"traceback": [
"\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
"\u001b[0;31mModuleNotFoundError\u001b[0m Traceback (most recent call last)",
"\u001b[0;32m<ipython-input-5-d014d61d1d77>\u001b[0m in \u001b[0;36m<module>\u001b[0;34m\u001b[0m\n\u001b[0;32m----> 1\u001b[0;31m \u001b[0;32mimport\u001b[0m \u001b[0mcollections\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mdefaultdict\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m",
"\u001b[0;31mModuleNotFoundError\u001b[0m: No module named 'collections.defaultdict'"
]
}
],
"outputs": [],
"source": [
"import collections.defaultdict"
]
@@ -1413,7 +1377,7 @@
},
{
"cell_type": "code",
"execution_count": 34,
"execution_count": null,
"metadata": {
"collapsed": false,
"jupyter": {
@@ -1445,7 +1409,7 @@
},
{
"cell_type": "code",
"execution_count": 35,
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"metadata": {
"collapsed": false,
"jupyter": {
@@ -1503,7 +1467,7 @@
},
{
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"metadata": {
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"jupyter": {
@@ -1551,7 +1515,7 @@
},
{
"cell_type": "code",
"execution_count": 37,
"execution_count": null,
"metadata": {
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"jupyter": {
@@ -1576,7 +1540,7 @@
},
{
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"execution_count": 38,
"execution_count": null,
"metadata": {
"collapsed": false,
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@@ -1591,7 +1555,7 @@
},
{
"cell_type": "code",
"execution_count": 39,
"execution_count": null,
"metadata": {
"collapsed": false,
"jupyter": {
@@ -1617,26 +1581,14 @@
},
{
"cell_type": "code",
"execution_count": 6,
"execution_count": null,
"metadata": {
"collapsed": false,
"jupyter": {
"outputs_hidden": false
}
},
"outputs": [
{
"ename": "NameError",
"evalue": "name 'd' is not defined",
"output_type": "error",
"traceback": [
"\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
"\u001b[0;31mNameError\u001b[0m Traceback (most recent call last)",
"\u001b[0;32m<ipython-input-6-24b8a3baf94f>\u001b[0m in \u001b[0;36m<module>\u001b[0;34m\u001b[0m\n\u001b[0;32m----> 1\u001b[0;31m \u001b[0;32mfor\u001b[0m \u001b[0mkey\u001b[0m \u001b[0;32min\u001b[0m \u001b[0md\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 2\u001b[0m \u001b[0md\u001b[0m\u001b[0;34m[\u001b[0m\u001b[0mkey\u001b[0m\u001b[0;34m]\u001b[0m \u001b[0;34m+=\u001b[0m \u001b[0;36m1\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
"\u001b[0;31mNameError\u001b[0m: name 'd' is not defined"
]
}
],
"outputs": [],
"source": [
"for key in d:\n",
" d[key] += 1"
@@ -1890,7 +1842,7 @@
},
{
"cell_type": "code",
"execution_count": 41,
"execution_count": null,
"metadata": {
"collapsed": false,
"jupyter": {
@@ -1907,22 +1859,14 @@
},
{
"cell_type": "code",
"execution_count": 8,
"execution_count": null,
"metadata": {
"collapsed": false,
"jupyter": {
"outputs_hidden": false
}
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"64\n"
]
}
],
"outputs": [],
"source": [
"product = 1\n",
"i = iter([1, 2, 4, 8])\n",
@@ -1967,7 +1911,7 @@
},
{
"cell_type": "code",
"execution_count": 43,
"execution_count": null,
"metadata": {
"collapsed": false,
"jupyter": {
@@ -1995,7 +1939,7 @@
},
{
"cell_type": "code",
"execution_count": 44,
"execution_count": null,
"metadata": {
"collapsed": false,
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@@ -2033,7 +1977,7 @@
},
{
"cell_type": "code",
"execution_count": 45,
"execution_count": null,
"metadata": {
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@@ -2062,7 +2006,7 @@
},
{
"cell_type": "code",
"execution_count": 46,
"execution_count": null,
"metadata": {
"collapsed": false,
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@@ -2092,7 +2036,7 @@
},
{
"cell_type": "code",
"execution_count": 47,
"execution_count": null,
"metadata": {
"collapsed": false,
"jupyter": {
@@ -2108,7 +2052,7 @@
},
{
"cell_type": "code",
"execution_count": 48,
"execution_count": null,
"metadata": {
"collapsed": false,
"jupyter": {
@@ -2138,25 +2082,14 @@
},
{
"cell_type": "code",
"execution_count": 9,
"execution_count": null,
"metadata": {
"collapsed": false,
"jupyter": {
"outputs_hidden": false
}
},
"outputs": [
{
"data": {
"text/plain": [
"([53, 68, ['Q', 'B', 'C']], [53, 40, ['A', 'B', 'C']])"
]
},
"execution_count": 9,
"metadata": {},
"output_type": "execute_result"
}
],
"outputs": [],
"source": [
"import copy\n",
"x = [53, 68, [\"A\", \"B\", \"C\"]]\n",
@@ -2262,7 +2195,7 @@
},
{
"cell_type": "code",
"execution_count": 50,
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