html

table

childern

BeautifulSoup

基本知识 big data read

data cleansing

Visualisation

Modeling

Training set test Set K fold

泰坦尼克号船员数据与特征
数据分析中缺失值，字符值处理（使用pandas库）
机器学习经典算法-逻辑回归与决策树
使用scikit-learn库建立模型
评估和特征分析

https://github.com/jvns/pandas-cookbook

http://pandas.pydata.org/pandas-docs/stable/tutorials.html

https://github.com/addfor/tutorials

https://github.com/fonnesbeck/statistical-analysis-python-tutorial

Python 语法基础

Pandas data frame

Numpy matrix operators

Binary Search 注意问题； left right 更新移动查重查漏

all variables are references ( the content can change)

面向对象： class和self参数

               静态成员变量： 在class中初始化

闭包是强大的技术——在某些方面来看可能感觉它有点像面向对象技术：outer 作为 inner 的构造函数，有一个类似私有变量的 x。闭包的作用不胜枚举——如果你熟悉 Python中 sorted 函数的参数 key，也许你已经写过 lambda 函数通过第二项而非第一项来排序一些列表。也可以写一个 itemgetter 函数，接收一个用于检索的索引并返回一个函数，然后就能恰当的传递给 key 参数了。

Different operators with C++

// floor devide

concatenation strings

\' quote in a quote

Precedence

== ! =

is is not

(== != compares value, is is not compares id)

not

and

or

c works!

function - def

positional prarmeters (a)+ named parameters ( a = b)

class (everything is public)

data attributes- data members

methods - member function

高级语法

lambda 函数

decorator

Python 常用函数

https://docs.python.org/2/library/functions.html

				Built-in Functions
`abs()`	`divmod()`	`input()`	`open()`	`staticmethod()`
`all()`	`enumerate()`	`int()`	`ord()`	`str()`
`any()`	`eval()`	`isinstance()`	`pow()`	`sum()`
`basestring()`	`execfile()`	`issubclass()`	`print()`	`super()`
`bin()`	`file()`	`iter()`	`property()`	`tuple()`
`bool()`	`filter()`	`len()`	`range()`	`type()`
`bytearray()`	`float()`	`list()`	`raw_input()`	`unichr()`
`callable()`	`format()`	`locals()`	`reduce()`	`unicode()`
`chr()`	`frozenset()`	`long()`	`reload()`	`vars()`
`classmethod()`	`getattr()`	`map()`	`repr()`	`xrange()`
`cmp()`	`globals()`	`max()`	`reversed()`	`zip()`
`compile()`	`hasattr()`	`memoryview()`	`round()`	`__import__()`
`complex()`	`hash()`	`min()`	`set()`
`delattr()`	`help()`	`next()`	`setattr()`
`dict()`	`hex()`	`object()`	`slice()`
	`dir()`	`id()`	`oct()`	`sorted()`

open()

id()

数据结构

tuple ()

sequence unpacking 

sequence packing

attention: the use of , \(,\) in tuple

set {}

成员函数 add(), discard(),remove(),pop(),clear()

        difference\(\), summetric\_difference\(\),intersection\(\),isdisjoint\(\),issubset\(\),issuperset\(\),union\(\)

list

*list comprehension

[x for item in sequence

if (conditions)

]

生成器表达式(generator expression) （

x for item in sequence

if (conditions)

）

相关函数 map\(func, list1, list2, …\),

reduce(function, sequence, startValue)

filter(function, sequence)

 zip\(\)

get(), popitem(),pop(),clear()

Dict

.keys(), .values(), .items()

string

join

insert

C++ atoi C string

https://docs.python.org/2/library/string.html#formatstrings

需要掌握的python 语法糖/trick

iterable(list, set, tuple..) comprehension

decorators

C++

try… catch error

debug techiniques

implement design patternshtml