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"# Assignment 3\n",
"### [\uc815\ubcf4]\n",
"#### 1) Due Date: 2014\ub144 10\uc6d4 19\uc77c (\uc77c\uc694\uc77c), 23\uc2dc 59\ubd84\n",
"#### 2) \uc81c\ucd9c\ubc29\ubc95: ipython notebook\uc73c\ub85c \uc791\uc131\ub41c \ub0b4\uc6a9\uc744 nbviewer\uc5d0 \uc62c\ub824 \ud574\ub2f9 URL\uc744 EL \uc0ac\uc774\ud2b8\uc5d0 \uc81c\ucd9c\n",
"- Assignment 1, 2 \ub0b4\uc6a9 \ucc38\uace0\n",
"\n",
"#### 3) \ub0b4\uc6a9: \ubc18\ub4dc\uc2dc python code\uc640 \uc218\ud589 \uacb0\uacfc\ub97c ipython notebook \ub0b4\uc5d0 \uc791\uc131\ud558\uc5ec \ub123\uace0 \uc774\uc5d0 \ub300\ud55c \uc124\uba85\ub4f1\uc744 \ud574\ub2f9 \ucf54\ub4dc \uc544\ub798\uc5d0 markdown cell\uc5d0 \ub123\uc5b4 \uae30\uc785\ud558\uc2dc\uc624.\n",
"#### 4) \uc219\uc81c\uc774\ud6c4 \uc18c\uac10: 8\uac1c\uc758 \ubb38\uc81c\ub97c \ubaa8\ub450 \ud47c \uc774\ud6c4\uc5d0 \ud604\uc7ac\uae4c\uc9c0 \uac15\uc758\ub97c \ub4e4\uc740 \uc774\ud6c4\uc758 \uc18c\uac10, \uc219\uc81c\ub97c \ud55c \uc774\ud6c4\uc758 \uc18c\uac10, \ub610\ub294 \uc804\ud558\uace0\uc790 \ud558\ub294 \ub9d0 \ub4f1\uc744 \uc9e7\ub9c9\ud558\uac8c\ub77c\ub3c4 \uc88b\uc73c\ub2c8 \ub9c8\uc9c0\ub9c9\uc5d0 \ud568\uaed8 \uc791\uc131\ud558\uc5ec \uc81c\ucd9c\ud558\uc2dc\uc624. \n",
"#### 5) \ubb38\uc81c (\ucd1d 8\uac1c)"
]
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"source": [
"- L=[1, 2, 3, 4, 5]\uc77c \ub54c \ub2e4\uc74c \uac01 \ubb38\uc7a5\uc744 \uc218\ud589\ud55c \ud6c4\uc758 \uacb0\uacfc\ub97c \ubcf4\uace0 \ub0a9\ub4dd\ud560 \ub9cc\ud55c \uc774\uc720\ub97c \uc124\uba85\ud558\uc2dc\uc624. \n",
" - 1)L[1:3] = [100]\n",
" print L\n",
" - 2)L[1:3] = [(100)]\n",
" print L\n",
" - 3)L[1:3] = 100\n",
" print L\n",
" - 4)L[1:3] = (100)\n",
" print L\n",
" - 5)L[1:3] = (100, 101, 102)\n",
" print L\n",
" - 6)L[1:3] = [100, 101, 102]\n",
" print L \n",
" - 7)L[1:3] = [(100, 101, 102)]\n",
" print L \n",
" - 8)L[1:3] = [[100, 101, 102]]\n",
" print L "
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"- \ubb38\uc790\uc5f4 S = 'Hello World and Python'\uc5d0 \ub300\ud574 \ub2e4\uc74c \uc694\uad6c\uc0ac\ud56d\uc5d0 \ub300\ud55c Python \ucf54\ub4dc\ub97c \uc81c\uc2dc\ud558\uc2dc\uc624. \n",
" - 1) \ub2e8\uc5b4\uc758 \uc21c\uc11c\uac00 \uc5ed\uc21c\uc73c\ub85c \ub418\uc5b4\uc9c4 \ubb38\uc790\uc5f4 ('Python and World Hello')\uc744 \ub9cc\ub4e4\uace0 \n",
" - 2) 1)\uc758 \uacb0\uacfc \ubb38\uc790\uc5f4\uc5d0 \ub300\ud574 \uba54\uc18c\ub4dc split\uacfc join\uc744 \uc774\uc6a9\ud558\uc5ec \uacf5\ubc31\uc744 \ubaa8\ub450 \uc5c6\uc5d4 \ubb38\uc790\uc5f4 'PythonandWorldHello'\uc744 \ub9cc\ub4dc\uc2dc\uc624."
]
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"metadata": {},
"source": [
"- \ub2e4\uc74c \ucf54\ub4dc\ub97c \ubcf4\uace0 \ubb3c\uc74c\uc5d0 \ub2f5\ud558\uc2dc\uc624.\n",
" a = [1, 2, 3]\n",
" b = a * 3\n",
" c = [a] * 3\n",
" print b\n",
" print c\n",
"\n",
" - 1) \uc704 \ucf54\ub4dc\ub97c \uc218\ud589\ud55c \uc774\ud6c4 \ub2e4\uc74c \ucf54\ub4dc\ub97c \uc218\ud589\ud55c \ud6c4 b\uc640 c\uc758 \ub0b4\uc6a9\uc744 \ud655\uc778\ud558\uc2dc\uc624.\n",
" a[0]=0
\n",
" - 2) b\uc640 c \uac1d\uccb4\uc758 \ucc28\uc774\ub294 \ubb34\uc5c7\uc778\uac00?"
]
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"metadata": {},
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"- \ub2e4\uc74c \ubb38\uc790\uc5f4\uc744 ':'\uc744 \uae30\uc900\uc73c\ub85c \ubd84\ub9ac\ud558\uc5ec \ub9ac\uc2a4\ud2b8\ub85c \ub9cc\ub4e4\uace0 \uac01 \ubb38\uc790\uc5f4\uc758 \uc88c\uc6b0 \uacf5\ubc31\uc744 \uc81c\uac70\ud558\uc2dc\uc624 (\uc989, \ubb38\uc790\uc5f4 S\uc5d0\uc11c l\uc744 \ub9cc\ub4e4\uc5b4\ub77c)\n",
"\n",
"s = ' first star : second star : third star '\n",
"l = ['first star', 'second star', 'third star']\n",
"\n",
" - 1) for ~ in \ubb38\uc744 \uc774\uc6a9\ud55c \ucf54\ub4dc\ub97c \uc791\uc131\ud558\uc2dc\uc624. \n",
" - 2) \ub9ac\uc2a4\ud2b8 \ub0b4\ud3ec(list comprehension)\ub97c \uc774\uc6a9\ud55c \ucf54\ub4dc\ub97c \uc791\uc131\ud558\uc2dc\uc624."
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"- \ub2e4\uc74c\uacfc \uac19\uc774 0\ubcf4\ub2e4 \ud070 \uc815\uc218 \ub9ac\uc2a4\ud2b8 \ubcc0\uc218 list\ub97c \uc778\uc790\ub85c \ubc1b\ub294 \ud568\uc218 addall(list)\uc640 addallodd(list)\ub97c for ~ in \ub9ac\ud130\ub110\uacfc \ub9ac\uc2a4\ud2b8 \ub0b4\ud3ec \ubc29\uc2dd\uc73c\ub85c \uac01\uac01 \uc81c\uc2dc\ud558\uc2dc\uc624.\n",
" - 1) addall(list) \ud568\uc218 (\ub9ac\uc2a4\ud2b8 \ub0b4\uc758 \ubaa8\ub4e0 \uc815\uc218\ub97c \ub354\ud558\ub294 \ud568\uc218\ub85c\uc11c \ud574\ub2f5\uc73c\ub85c\ub294 for ~ in \ub9ac\ud130\ub7f4\uacfc \ub9ac\uc2a4\ud2b8 \ub0b4\ud3ec \ubc29\uc2dd\uc73c\ub85c \uac01\uac01 \uc81c\uc2dc\ud558\uc2dc\uc624.)\n",
" - >>> addall([1])\n",
" 1\n",
" - >>> addall([1, 2, 3, 4, 5, 6, 7, 8, 9])\n",
" 45\n",
" - 2) addallodd(list) \ud568\uc218 (\ub9ac\uc2a4\ud2b8\ub0b4\uc758 \ubaa8\ub4e0 \ud640\uc218\ub97c \ub354\ud558\ub294 \ud568\uc218\ub85c\uc11c \ud574\ub2f5\uc73c\ub85c\ub294 for ~ in \ub9ac\ud130\ub7f4\uacfc \ub9ac\uc2a4\ud2b8 \ub0b4\ud3ec \ubc29\uc2dd\uc73c\ub85c \uac01\uac01 \uc81c\uc2dc\ud558\uc2dc\uc624.)\n",
" - >>> addallodd([1])\n",
" 1\n",
" - >>> addallodd([1, 2, 3, 4, 5, 6, 7, 8, 9])\n",
" 25\n",
" - [\ucc38\uace0 (2014\ub144 10\uc6d4 13\uc77c)]: \ub9ac\uc2a4\ud2b8 \ub0b4\ud3ec \ubc29\uc2dd\uc73c\ub85c addall() \ubc0f addallodd()\ud568\uc218\ub97c \ub9cc\ub4e4 \ub54c\uc5d4 \ub9ac\uc2a4\ud2b8 \ub0b4\ud3ec\uc5d0 \uc758\ud574 \uc0dd\uc131\ub41c \ub9ac\uc2a4\ud2b8 \uacb0\uacfc\uc5d0 \ub300\ud574 \ub0b4\uc7a5 \ud568\uc218\ub97c \uc0ac\uc6a9\ud558\ub294 \ubc29\uc2dd\uc744 \uace0\ub824\ud574\ubcf4\uc2dc\uc624 (\uc8fc\uc758: \ub9ac\uc2a4\ud2b8 \ub0b4\ud3ec \ubc29\uc2dd\uc758 addall() \ubc0f addallodd() \ud568\uc218\uc758 \ubab8\uccb4\ub294 \ub2e8 1\uc904\ub85c \uc791\uc131\ub418\uc5b4\uc57c \ud55c\ub2e4.) "
]
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"metadata": {},
"source": [
"- \ub2e4\uc74c \ucf54\ub4dc\ub97c \ubcf4\uace0 \ubb3c\uc74c\uc5d0 \ub2f5\ud558\uc2dc\uc624.\n",
" L1 = [1, 2, 3]\n",
"L2 = [4, 5, 6]\n",
"d = {'low':L1, 'high':L2}\n",
"e = d\n",
"f = d.copy()\n",
"print d\n",
"print e\n",
"print f\n",
"print\n",
"d['low'] = [10, 20, 30]\n",
"d['high'][1] = 500\n",
"print d\n",
"print e\n",
"print f\n",
"\n",
" - 1) \uc704 \ucf54\ub4dc\uc758 \uc218\ud589 \uacb0\uacfc d\uc640 e\ub294 \ud56d\uc0c1 \uac19\uc740 \uacb0\uacfc\ub97c \ucd9c\ub825\ud55c\ub2e4. \uadf8 \uc774\uc720\ub294 \ubb34\uc5c7\uc778\uac00?\n",
" - 2) \uc704 \ucf54\ub4dc\uc758 \uc218\ud589 \uacb0\uacfc \ub9c8\uc9c0\ub9c9 f\uc758 \ub0b4\uc6a9\uc740 \ub2e4\uc74c\uacfc \uac19\ub2e4. \uc774 \ub54c 'high' \ud0a4\uc758 \uac12 \ub0b4\uc6a9 \uc911 500\uc774 \ucd9c\ub825\ub41c \uc774\uc720\uc640 'low' \ud0a4\uc758 \uac12 \ub0b4\uc6a9 \uc911 [1, 2, 3]\uc774 \ucd9c\ub825\ub41c \uc774\uc720\ub97c \uc124\uba85\ud558\uc2dc\uc624 ([hint]: shallow copy \uad00\uc810\uc5d0\uc11c \uc124\uba85\ud558\uc2dc\uc624.)\n",
" {'high': [4, 500, 6], 'low': [1, 2, 3]}\n",
" "
]
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"- \uc0ac\uc804 d = {'one':1, 'two':2, 'three':3, 'four':4, 'five':5}\uac00 \uc8fc\uc5b4\uc84c\uc744 \ub54c \ub2e4\uc74c \uc694\uad6c\uc0ac\ud56d\uc5d0 \ub9de\ub294 \ucf54\ub4dc\ub97c \uc81c\uc2dc\ud558\uc2dc\uc624 \n",
" - [\ucc38\uace0]: d.keys(), d.values()\ub97c \ud1b5\ud574 \ub9ac\uc2a4\ud2b8\ub97c \uc5bb\uc5b4\ub0b8 \ud6c4 \ub9ac\uc2a4\ud2b8\uac00 \uc9c0\ub2c8\uace0 \uc788\ub294 sort(cmp=None, key=None, reverse=False)\ud568\uc218\ub97c \ud65c\uc6a9\ud558\uc2dc\uc624.\n",
" - 1) \ud0a4\uc758 \uc54c\ud30c\ubcb3 \uc624\ub984\ucc28\uc21c \uc21c\uc11c\ub300\ub85c \ud29c\ud50c (\ud0a4, \uac12)\uc744 \ucc28\ub840\ub300\ub85c \ucd9c\ub825\ud558\uc2dc\uc624.\n",
" - 2) \ud0a4\uc758 \uc54c\ud30c\ubcb3 \ub0b4\ub9bc\ucc28\uc21c \uc21c\uc11c\ub300\ub85c \ud29c\ud50c (\ud0a4, \uac12)\uc744 \ucc28\ub840\ub300\ub85c \ucd9c\ub825\ud558\uc2dc\uc624.\n",
" - 3) \uac12\uc758 \uc624\ub984\ucc28\uc21c \uc21c\uc11c\ub300\ub85c \ud29c\ud50c (\ud0a4, \uac12)\uc744 \ucc28\ub840\ub300\ub85c \ucd9c\ub825\ud558\uc2dc\uc624. \n",
" - 4) \uac12\uc758 \ub0b4\ub9bc\ucc28\uc21c \uc21c\uc11c\ub300\ub85c \ud29c\ud50c (\ud0a4, \uac12)\uc744 \ucc28\ub840\ub300\ub85c \ucd9c\ub825\ud558\uc2dc\uc624."
]
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"- \uc774\uc804 Assignment 2\uc758 \ub9c8\uc9c0\ub9c9 \ubb38\uc81c\ub294 \uc6f9 URL\ub85c \uc9c0\uc815\ub41c \uc6f9\ud398\uc774\uc9c0\ub97c \ubb38\uc790\uc5f4\ub85c \uac00\uc838\uc640 \ubaa8\ub4e0 HTML \ud0dc\uadf8 \ubc0f CSS\uc640 Javascript\ub97c \uc81c\uc678\ud55c \uc21c\uc218 \ud14d\uc2a4\ud2b8\ub97c \uc5bb\uc5b4\ub0b4\uace0 \uadf8 \uc548\uc5d0 \uc874\uc7ac\ud558\ub294 \ub2e8\uc5b4\ub97c \ucd94\ucd9c\ud558\ub294 \ud504\ub85c\uadf8\ub7a8\uc744 \uc791\uc131\ud558\ub294 \uac83\uc774\uc5c8\ub2e4. \uc774\ubc88\uc5d0\ub294 \uadf8 \ub9c8\uc9c0\ub9c9 \uc219\uc81c\ub97c \uadf8\ub300\ub85c \ud655\uc7a5\ud558\uc5ec \uc6f9 URL\ub85c \uc9c0\uc815\ub41c \uc6f9\ud398\uc774\uc9c0 \ub0b4 \uc21c\uc218 \ud14d\uc2a4\ud2b8 \uc548\uc5d0 \uc874\uc7ac\ud558\ub294 \uac01 \ub2e8\uc5b4\ub4e4\uc5d0 \ub300\ud574 \ub2e4\uc74c \uc694\uad6c\uc0ac\ud56d \ub300\ub85c \ucd9c\ub825\ud558\ub294 \ud504\ub85c\uadf8\ub7a8\uc744 \uc791\uc131\ud558\uc2dc\uc624. \n",
" - \uc694\uad6c\uc0ac\ud56d 1. \uc21c\uc218 \ud14d\uc2a4\ud2b8 \uc548\uc5d0 \uc874\uc7ac\ud558\ub294 \ub2e8\uc5b4\ub4e4\uc5d0 \ub300\ud574 string \ubaa8\ub4c8\uc744 \ud65c\uc6a9\ud558\uc5ec \ubaa8\ub4e0 punctuation (\uad6c\ub450\ubb38\uc790)\ub97c \uc644\ubcbd\ud788 \uc81c\uac70\ud558\uc2dc\uc624 (\uad50\uc7ac 166\ud398\uc774\uc9c0 \ucc38\uace0).\n",
" - \uc608: ['world!', ':', '+hello+', '~python$$$', '=', 'world'] ---> ['world', 'hello', 'python', 'world']\n",
" - \uc694\uad6c\uc0ac\ud56d 2. \uac01 \ub2e8\uc5b4\ub4e4\uc758 \ucd9c\ud604\ube48\ub3c4\ub97c \uc0ac\uc804\ud615\ud0dc\ub85c \uc800\uc7a5\ud558\uc5ec \ucd9c\ub825\ud558\uc2dc\uc624.\n",
" - \uc608: ['world', 'hello', 'python', 'world'] ---> {'world': 2, 'hello': 1, 'python': 1}"
]
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