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279 changes: 279 additions & 0 deletions exer3/0160617(3).ipynb
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{
"cells": [
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## 第三次练习"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"+ 请务必交到exer3文件夹下，谢绝交到master下\n",
"+ 请不要改动任何文件，拜托\n",
"+ 请在10月23日前提交。"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"请写一下姓名和学号：\n",
"+ 姓名 刘栋\n",
"+ 学号 0160617"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"### 请从read（）函数指针的角度解读下面代码的结果"
]
},
{
"cell_type": "code",
"execution_count": 1,
"metadata": {
"collapsed": false,
"scrolled": true
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"一\n",
"阵风吹过，龙宫的许多宝物被吹落在建邺城。\n",
"双寿星日惊叹缘分神奇\n",
"能够遇到你们\n",
"就算花光所有运气也在所不惜\n",
"希望后来的我们依旧快乐\n",
"掉体脂过八高夜夜嗨唱四零七\n",
"enmm...\n",
"嘘~~（撒腿就跑并投掷两颗小心心）\n",
"一个小时\n",
"是姐姐姐夫直播吃螃蟹\n",
"是弟弟直播吃 米果和石榴\n",
"是我的健胃消食片\n",
"祝我弟生日快乐 学习快乐 天天快乐\n",
"（直播完还不是要补作业）\n",
"你站立在小路的这一端，看着他逐渐消失在小路转弯的地方，而且，他用背影默默告诉你：不必追。\n",
"20几岁的时候认为一只爱马仕里面可以装下辉煌人生，30好几了发现真正活出自我，拎不拎爱马仕没多大关糸，完美的人生不是要拥有一切……从容淡定活出自己更重要……安！我的全世界……\n",
"深感数学基础没打好。最简单统计啊…这些结果为啥都如此陌生，理解不能…半夜三更脑壳疼（图文无关，这些是体现数学之美的\n",
"我的朋友圈封面每天都被我60多岁的舅舅霸占快递小哥都跑不过他\n",
"舞动体验课上，当老师播放《钟》时我情不自禁模拟弹琴开始手指的舞蹈～14年前能弹的曲子，现在只能比划一下了……人生果真是有得有失\n",
"胖了胖了\n",
"需要割肉\n",
"和这个女人一起要横向发展了\n"
]
}
],
"source": [
"f = open(\"exer3.txt\",\"r\") #opens file with name of \"test.txt\"\n",
"print(f.read(1))\n",
"print(f.read())"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"**解读请点开此cell后，写下面：文件被打开并被赋给f，第一个print读取并打印了f文件中一个字节的内容，即“一”；\n",
"第二个print读取并打印了f文件剩下的内容。\n",
" \n",
" \n",
" \n",
" \n",
" \n",
" \n",
" \n",
" \n"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"### 请从readline（）函数指针的角度解读下面代码的结果"
]
},
{
"cell_type": "code",
"execution_count": 6,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"一阵风吹过，龙宫的许多宝物被吹落在建邺城。\n",
"\n",
"双寿星日惊叹缘分神奇\n",
"\n"
]
}
],
"source": [
"f = open(\"exer3.txt\",\"r\") #opens file with name of \"test.txt\"\n",
"print(f.readline())\n",
"print(f.readline())"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"**解读请点开此cell后，写下面：第一个print中，readline（）读取了f中的第一行内容，交由print打印出来；\n",
"第二个print，readline（）读取了接下来的一行内容，交由print打印出来。\n",
" \n",
" \n",
" \n",
" \n",
" \n",
" \n",
" \n",
" \n"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"### 请将上面的代码扩充为循环，直至显示文本全部内容。"
]
},
{
"cell_type": "code",
"execution_count": 2,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"一阵风吹过，龙宫的许多宝物被吹落在建邺城。\n",
"\n",
"双寿星日惊叹缘分神奇\n",
"\n",
"能够遇到你们\n",
"\n",
"就算花光所有运气也在所不惜\n",
"\n",
"希望后来的我们依旧快乐\n",
"\n",
"掉体脂过八高夜夜嗨唱四零七\n",
"\n",
"enmm...\n",
"\n",
"嘘~~（撒腿就跑并投掷两颗小心心）\n",
"\n",
"一个小时\n",
"\n",
"是姐姐姐夫直播吃螃蟹\n",
"\n",
"是弟弟直播吃 米果和石榴\n",
"\n",
"是我的健胃消食片\n",
"\n",
"祝我弟生日快乐 学习快乐 天天快乐\n",
"\n",
"（直播完还不是要补作业）\n",
"\n",
"你站立在小路的这一端，看着他逐渐消失在小路转弯的地方，而且，他用背影默默告诉你：不必追。\n",
"\n",
"20几岁的时候认为一只爱马仕里面可以装下辉煌人生，30好几了发现真正活出自我，拎不拎爱马仕没多大关糸，完美的人生不是要拥有一切……从容淡定活出自己更重要……安！我的全世界……\n",
"\n",
"深感数学基础没打好。最简单统计啊…这些结果为啥都如此陌生，理解不能…半夜三更脑壳疼（图文无关，这些是体现数学之美的\n",
"\n",
"我的朋友圈封面每天都被我60多岁的舅舅霸占快递小哥都跑不过他\n",
"\n",
"舞动体验课上，当老师播放《钟》时我情不自禁模拟弹琴开始手指的舞蹈～14年前能弹的曲子，现在只能比划一下了……人生果真是有得有失\n",
"\n",
"胖了胖了\n",
"\n",
"需要割肉\n",
"\n",
"和这个女人一起要横向发展了\n"
]
}
],
"source": [
"f = open(\"exer3.txt\",\"r\") \n",
"lines=f.readline()\n",
"while lines:\n",
" print(lines)\n",
" lines = f.readline()"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"### 下面的代码实现了把exer3的内容放到myList里，但是里面出现了很多换行符，请修改下代码使得myList里的内容没有换行符"
]
},
{
"cell_type": "code",
"execution_count": 5,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"['一阵风吹过，龙宫的许多宝物被吹落在建邺城。', '双寿星日惊叹缘分神奇', '能够遇到你们', '就算花光所有运气也在所不惜', '希望后来的我们依旧快乐', '掉体脂过八高夜夜嗨唱四零七', 'enmm...', '嘘~~（撒腿就跑并投掷两颗小心心）', '一个小时', '是姐姐姐夫直播吃螃蟹', '是弟弟直播吃 米果和石榴', '是我的健胃消食片', '祝我弟生日快乐 学习快乐 天天快乐', '（直播完还不是要补作业）', '你站立在小路的这一端，看着他逐渐消失在小路转弯的地方，而且，他用背影默默告诉你：不必追。', '20几岁的时候认为一只爱马仕里面可以装下辉煌人生，30好几了发现真正活出自我，拎不拎爱马仕没多大关糸，完美的人生不是要拥有一切……从容淡定活出自己更重要……安！我的全世界……', '深感数学基础没打好。最简单统计啊…这些结果为啥都如此陌生，理解不能…半夜三更脑壳疼（图文无关，这些是体现数学之美的', '我的朋友圈封面每天都被我60多岁的舅舅霸占快递小哥都跑不过他', '舞动体验课上，当老师播放《钟》时我情不自禁模拟弹琴开始手指的舞蹈～14年前能弹的曲子，现在只能比划一下了……人生果真是有得有失', '胖了胖了', '需要割肉', '和这个女人一起要横向发展了']\n"
]
}
],
"source": [
"f = open(\"exer3.txt\",\"r\") #opens file with name of \"test.txt\"\n",
"myList = []\n",
"for line in f:\n",
" myList.append(line.rstrip())\n",
"print(myList)"
]
}
],
"metadata": {
"kernelspec": {
"display_name": "Python 3",
"language": "python",
"name": "python3"
},
"language_info": {
"codemirror_mode": {
"name": "ipython",
"version": 3
},
"file_extension": ".py",
"mimetype": "text/x-python",
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.6.0"
},
"toc": {
"base_numbering": 1,
"nav_menu": {},
"number_sections": true,
"sideBar": true,
"skip_h1_title": false,
"title_cell": "Table of Contents",
"title_sidebar": "Contents",
"toc_cell": false,
"toc_position": {},
"toc_section_display": true,
"toc_window_display": true
}
},
"nbformat": 4,
"nbformat_minor": 2
}