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Created August 6, 2019 14:07
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Học Python tại https://pymi.vn lớp HCM 01
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HCM1908_01.ipynb
{
"cells": [
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# Pymi HCM 1908\n",
"## Chuẩn bị https://gitlab.com/pyfml/prepare \n",
"## Lớp không có wifi, ổ điện hạn chế, pin yếu ngồi trên, hv tự chuẩn bị ổ điện các buổi sau\n",
"## Cài Python, bật python\n",
"## Tải tài liệu \n",
"Tải sẵn tài liệu ở định dạng HTML https://docs.python.org/3.6/download.html\n",
"giải nén ra và xem trên máy (vào file index.html). Mở sẳn mục \"Tutorial\" (tương đương với\n",
"xem online tại https://docs.python.org/3/tutorial/index.html). Nếu link die, thử\n",
"lại với link https://docs.python.org/3/download.html\n"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Vào kênh chat slack https://invite.pymi.vn/"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"https://projecteuler.net/"
]
},
{
"cell_type": "code",
"execution_count": 1,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"233168"
]
},
"execution_count": 1,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"sum(i for i in range(1000) if i % 3 == 0 or i % 5 == 0)"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## SaltStack & Ansible"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"https://www.familug.org/2015/06/saltstack-chao-muoi-em-la-ai.html"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"https://www.familug.org"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Lesson 1"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Bat & Tat"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"```python\n",
"$ python3\n",
"Python 3.6.5 (default, May 12 2018, 11:30:25) \n",
"[GCC 5.4.0 20160609] on linux\n",
"Type \"help\", \"copyright\", \"credits\" or \"license\" for more information.\n",
">>> 1213 + 12312 \n",
"13525\n",
">>> exit()\n",
"\n",
"```"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"### `>>>` - Prompt"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Cong tru nhan chia "
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Integer"
]
},
{
"cell_type": "code",
"execution_count": 2,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"2"
]
},
"execution_count": 2,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"1 + 1 "
]
},
{
"cell_type": "code",
"execution_count": 3,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"9477"
]
},
"execution_count": 3,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"567 + 8910 "
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## add (+)"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"73214987239847923174198377321498723984792317419837732149872398479231741983773214987239847923174198377321498723984792317419837732149872398479231741983773214987239847923174198377321498723984792317419837732149872398479231741983773214987239847923174198377321498723984792317419837732149872398479231741983773214987239847923174198377321498723984792317419837732149872398479231741983773214987239847923174198377321498723984792317419837732149872398479231741983773214987239847923174198377321498723984792317419837732149872398479231741983773214987239847923174198377321498723984792317419837732149872398479231741983773214987239847923174198377321498723984792317419837732149872398479231741983773214987239847923174198377321498723984792317419837732149872398479231741983773214987239847923174198377321498723984792317419837732149872398479231741983773214987239847923174198377321498723984792317419837732149872398479231741983773214987239847923174198377321498723984792317419837732149872398479231741983773214987239847923174198377321498723984792317419837732149872398479231741983773214987239847923174198377321498723984792317419837732149872398479231741983773214987239847923174198377321498723984792317419837732149872398479231741983773214987239847923174198377321498723984792317419837732149872398479231741983773214987239847923174198377321498723984792317419837732149872398479231741983773214987239847923174198377321498723984792317419837"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Lớp kết luận: cộng thoải mái "
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## subtract (-)"
]
},
{
"cell_type": "code",
"execution_count": 4,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"-8"
]
},
"execution_count": 4,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"2 - 10"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Trừ: thoải mái "
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Nhân - multiply (`*`) "
]
},
{
"cell_type": "code",
"execution_count": 5,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"42"
]
},
"execution_count": 5,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"7 * 6"
]
},
{
"cell_type": "code",
"execution_count": 6,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"310037127509886901272919511476697759087821637868913126822201422080709844587510597462693537925590228370851270524486778019599799064279477961976348017676104343190347527489407537230225843289885734401330685001736754501871986190764698088918001517053224846089600416055284690783061570939194031041767624363853291834645655506617042154948974988820683647164792456876651307581663262536941885580373309496180859463808349561586082603546523342814108584121558900710030479326100963485744676772667724134351481559928254228751565860661454538883119073071828617475308488721092742176022668637417872109274217602266863741787210927421760226686374178721092742176022668637417872109274217602266863741787210927421760226686374178721061738463271679947290580158126547826358081578000319614739540084478303194262341682429753314844858849272189090549818185939827231020993812430488739376953482307856987915888477118386251633273278290301654142427248084776499175559644622933284222516932095387500314175996738394663481053833502357122509611742335763558711457117975713656614376718720198499025307965239756629468520047925026904184138691719019331925728439261443658603387134876646010901814530484107718044809565926320062950194842501804167118707748961788052265174160540920290409185434993160921106569"
]
},
"execution_count": 6,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"42346128736487216487732149872398479231741983773214987239847923174198377321498723984792317419837732149872398479231741983773214987239847923174198377321498723984792317419837732149872398479231741983773214987239847923174198377321498723984792317419837732149872398479231741983773214987239847923174198377321498723984792317419837732149872398479231741983773214987239847923174198377321498723984792317419837732149872398479231741983773214987239847923174198377321498723984792317419837732149872398479231741983773214987239847923174198377321498723984792317419837 * 7321498723984792317419837732149872398479231741983773214987239847923174198377321498723984792317419837732149872398479231741983773214987239847923174198377321498723984792317419837732149872398479231741983773214987239847923174198377321498723984792317419837732149872398479231741983773214987239847923174198377321498723984792317419837732149872398479231741983773214987239847923174198377321498723984792317419837732149872398479231741983773214987239847923174198377321498723984792317419837732149872398479231741983773214987239847923174198377321498723984792317419837732149872398479231741983773214987239847923174198377321498723984792317419837732149872398479231741983773214987239847923174198377321498723984792317419837"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Nhân vô tư "
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Phép mũ: (power)"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## `**`"
]
},
{
"cell_type": "code",
"execution_count": 7,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"4294967296"
]
},
"execution_count": 7,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"2 ** 32 "
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Bấm Ctrl C để dừng tính (Linux & OSX)"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Phép chia : divide (`/`)"
]
},
{
"cell_type": "code",
"execution_count": 8,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"2.5"
]
},
"execution_count": 8,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"5 / 2"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## `/` - slash\n",
"- Như: xuyệt \n",
"- Hương: xẹc \n",
"- An: ???\n",
"- Bình: xuyệt \n",
"- Xẹc trái\n",
"- Sắc\n",
"\n"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# `\\`- backslash\n",
"- Bình: xuyệt trái\n",
"- An: Huyền\n",
"- Xuyệt phải\n",
"- Như: không biết"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": []
},
{
"cell_type": "code",
"execution_count": 10,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"2.5"
]
},
"execution_count": 10,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"5 / 2"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"##"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": []
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": []
},
{
"cell_type": "code",
"execution_count": 9,
"metadata": {},
"outputs": [
{
"ename": "ZeroDivisionError",
"evalue": "division by zero",
"output_type": "error",
"traceback": [
"\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
"\u001b[0;31mZeroDivisionError\u001b[0m Traceback (most recent call last)",
"\u001b[0;32m<ipython-input-9-aaed92358df0>\u001b[0m in \u001b[0;36m<module>\u001b[0;34m\u001b[0m\n\u001b[0;32m----> 1\u001b[0;31m \u001b[0;36m50\u001b[0m \u001b[0;34m/\u001b[0m \u001b[0;36m0\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m",
"\u001b[0;31mZeroDivisionError\u001b[0m: division by zero"
]
}
],
"source": [
"50 / 0"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## xảy ra exception: ZeroDivisionError"
]
},
{
"cell_type": "code",
"execution_count": 11,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"50.0"
]
},
"execution_count": 11,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"50 / 1"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## 50 "
]
},
{
"cell_type": "code",
"execution_count": 12,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"<class 'int'>"
]
},
"execution_count": 12,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"type(50)"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## int - Integer /ˈɪntɪdʒə/ "
]
},
{
"cell_type": "code",
"execution_count": 13,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"<class 'float'>"
]
},
"execution_count": 13,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"type(50.0)"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# float/fləʊt/ "
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## suite \n",
"\n",
"## resort resort/rɪˈzɔːt/ "
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## float - số thực "
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## số thực: gồm số hữu tỷ và số vô tỷ \n",
"- hữu tỷ: có tỷ lệ - viết được ở dạng phân số\n",
"- vô tỷ: ko có tỷ lệ - không viết được ở dạng phana số: căn 2, pi , e"
]
},
{
"cell_type": "code",
"execution_count": 14,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"1.4142135623730951"
]
},
"execution_count": 14,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"2 ** (1/2)"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## float - là gần đúng "
]
},
{
"cell_type": "code",
"execution_count": 17,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"True"
]
},
"execution_count": 17,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"0.1 + 0.1 == 0.2 "
]
},
{
"cell_type": "code",
"execution_count": 18,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"False"
]
},
"execution_count": 18,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"0.1 + 0.1 + 0.1 == 0.3"
]
},
{
"cell_type": "code",
"execution_count": 19,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"0.30000000000000004"
]
},
"execution_count": 19,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"0.1 + 0.1 + 0.1"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## tránh so sánh kiểu float "
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"https://pymi.vn/blog/why-not-float/"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": []
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": []
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": []
}
],
"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": "3.6.5"
}
},
"nbformat": 4,
"nbformat_minor": 2
}
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