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Ch05-Iterations.ipynb
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‎Ch05-Iterations.ipynb‎

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@@ -42,27 +42,169 @@
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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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"execution_count": 12,
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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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"1 hello world\n",
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"2 hello world\n",
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"3 hello world\n",
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"4 hello world\n",
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"5 hello world\n",
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"6 hello world\n",
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"7 hello world\n",
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"8 hello world\n",
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"9 hello world\n",
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"10 hello world\n"
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]
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}
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],
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"source": [
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"for i in range(1, 11):\n",
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" print(i, 'hello world')\n"
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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": 18,
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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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"1\n",
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"2\n",
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"3\n",
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"4\n",
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"5\n",
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"6\n",
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"7\n",
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"8\n",
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"9\n",
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"11\n",
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"10\n",
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"12\n",
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"13\n",
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"14\n",
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"15\n",
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"16\n",
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"17\n",
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"18\n",
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"19\n",
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"end\n"
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"20\n",
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"21\n",
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"22\n",
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"23\n",
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"24\n",
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"25\n",
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"26\n",
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"27\n",
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"28\n",
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"29\n",
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"30\n",
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"34\n",
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"35\n",
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"37\n",
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"38\n",
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"39\n",
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"43\n",
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"45\n",
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"46\n",
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"48\n",
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"50\n",
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"52\n",
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"53\n",
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"55\n",
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"57\n",
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"58\n",
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"59\n",
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"60\n",
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"62\n",
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"63\n",
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"66\n",
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"67\n",
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"68\n",
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"70\n",
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"71\n",
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"84\n",
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"90\n",
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"91\n",
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"92\n",
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"93\n",
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"94\n",
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"95\n",
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"96\n",
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"97\n",
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"98\n",
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"99\n",
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"100\n",
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"done\n"
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]
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}
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],
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"source": [
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"for num in range(0, 100):\n",
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" if num == 10:\n",
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" continue # exit the loop\n",
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" print(num+1)\n",
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"print('done')"
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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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"# for loop example - range()\n",
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"for i in range(1, 21): # range ... 1...20\n",
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" if i%2 == 0:\n",
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" continue\n",
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" print(i)\n"
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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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"# for loop example - range()\n",
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"for i in range(1, 21):\n",
@@ -77,9 +219,7 @@
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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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"collapsed": true
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},
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"metadata": {},
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"outputs": [],
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"source": [
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"help(range)"
@@ -96,17 +236,9 @@
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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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"execution_count": null,
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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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"50 is not prime\n"
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]
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}
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],
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"outputs": [],
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"source": [
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"# for... else example\n",
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"# write a program to test whether a given number is prime\n",
@@ -139,27 +271,9 @@
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},
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{
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"cell_type": "code",
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"execution_count": 13,
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"execution_count": null,
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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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"10\n",
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"9\n",
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"8\n",
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"7\n",
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"6\n",
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"5\n",
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"4\n",
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"3\n",
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"2\n",
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"1\n",
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"Hapy new year!\n"
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]
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}
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],
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"outputs": [],
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"source": [
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"# while loop - countdown\n",
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"import time\n",
@@ -194,17 +308,9 @@
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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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"execution_count": null,
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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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"4\n"
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]
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}
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],
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"outputs": [],
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"source": [
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"n = 1234\n",
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"print(len(str(n)))"
@@ -220,22 +326,9 @@
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},
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{
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"cell_type": "code",
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"execution_count": 15,
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"execution_count": null,
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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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"1\n",
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"2\n",
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"3\n",
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"4\n",
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"5\n",
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"0\n"
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]
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}
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],
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"outputs": [],
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"source": [
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"n = 123450\n",
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"n =str(n)\n",
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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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"collapsed": true
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},
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"metadata": {},
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"outputs": [],
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"source": [
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"\n",
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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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"collapsed": true
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},
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"metadata": {},
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"outputs": [],
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"source": [
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"for i in range(1, 10):\n",
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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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"collapsed": true
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},
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"metadata": {},
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"outputs": [],
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"source": [
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"for c in 'hello':\n",

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