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wingfishwingfish
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2016.12.4 edit python basic lesson 2 notebook
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‎python_basic/python_basic_lesson_02.ipynb‎

Lines changed: 162 additions & 24 deletions
Original file line numberDiff line numberDiff line change
@@ -714,21 +714,57 @@
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"outputs": [],
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"source": [
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"t = ('Tom', 'Jerry', 'Mary')\n",
717-
"print(t)\n",
718-
"\n",
717+
"print(t)"
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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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"collapsed": true
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},
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"outputs": [],
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"source": [
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"t.append('Someone')\n",
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"\n",
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"t = ()\n",
722-
"print(t)\n",
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"\n",
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"print(t)"
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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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"collapsed": true
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},
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"outputs": [],
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"source": [
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"l = ['A', 'B', 'C']\n",
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"t =(l, 100, 200)\n",
726-
"print(t)\n",
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"\n",
744+
"print(t)"
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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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"collapsed": true
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},
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"outputs": [],
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"source": [
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"l.append('D')\n",
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"print(l)\n",
730-
"print(t)\n",
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"\n",
757+
"print(t)"
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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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"collapsed": true
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},
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"outputs": [],
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"source": [
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"t = ('Tom', 'Jerry', 'Marry')\n",
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"print(t[1])"
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]
@@ -741,35 +777,137 @@
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"\n",
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"随机数这一概念在不同领域有着不同的含义，在密码学、通信领域有着非常重要的用途\n",
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"Python 的随机数模块是 random\n",
744-
"随机挑选 random.choice()，random.sample()\n",
745-
"随机生成 random.random()， random.uniform()， random.randint()\n",
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"随机排列 random.shuffle()\n"
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"* 随机挑选 random.choice()，random.sample() \n",
781+
"* 随机生成 random.random()， random.uniform()， random.randint()\n",
782+
"* 随机排列 random.shuffle()\n"
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]
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},
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{
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"cell_type": "code",
751-
"execution_count": null,
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"execution_count": 1,
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"metadata": {
753-
"collapsed": true
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"collapsed": false
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},
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"outputs": [],
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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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"88\n"
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]
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}
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],
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"source": [
757801
"import random\n",
758802
"\n",
759-
"print(random.choice(range(1,100)))\n",
760-
"\n",
761-
"print(random.sample(range(1,100), 10))\n",
762-
"\n",
763-
"print(random.randint(1,100))\n",
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"\n",
765-
"print(random.random())\n",
766-
"\n",
767-
"print(random.uniform(1,100))\n",
768-
"\n",
803+
"print(random.choice(range(1,100)))"
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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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"metadata": {
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"collapsed": false
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},
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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": [
817+
"[35, 98, 29, 20, 31, 73, 22, 50, 91, 77]\n"
818+
]
819+
}
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],
821+
"source": [
822+
"print(random.sample(range(1,100), 10))"
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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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"metadata": {
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"collapsed": false
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},
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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": [
836+
"16\n"
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]
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}
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],
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"source": [
841+
"print(random.randint(1,100))"
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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": 4,
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"metadata": {
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"collapsed": false
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},
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
854+
"text": [
855+
"0.5265744262403391\n"
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]
857+
}
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],
859+
"source": [
860+
"print(random.random())"
861+
]
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},
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{
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"cell_type": "code",
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"execution_count": 5,
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"metadata": {
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"collapsed": false
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},
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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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"35.95334721462754\n"
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]
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}
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],
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"source": [
879+
"print(random.uniform(1,100))"
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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": 6,
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"metadata": {
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"collapsed": false
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},
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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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"[23, 1, 5, 12, 87]\n"
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]
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}
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],
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"source": [
769898
"l1 = [12, 23, 1, 5, 87]\n",
770899
"random.shuffle(l1)\n",
771900
"print(l1)"
772901
]
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},
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{
904+
"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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"outputs": [],
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"source": []
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}
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],
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"metadata": {

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