python 数据

number： 1,2,...n

    import math

    import random

    random.random()

    random.choice( [1,2,3,4,5,6] )

string：str1='heha da'

    '%s is a big fool %s'% ('jiang','that is absolutely')

    #序列的method

    str1[1]:'e'

    slice:str1[1:4]

    +,*

    #string method

    str1.find('a')

    str2=str1.replace('ha','sb')

list：list1=[1,'asdf','a',...]

    #list method

    list1.append( 'x' )#栈底插入

    list1.pop(2)#弹出index=2的元素

    list1.sort()#对象的方法，只对对象自身产生作用，整体是个函数，没有返回值

    list1.reverse()

   

dict：{host:'192.168.1.102',device_num:5,....}

    dict1={'food':'spam','quantity':4}

    dict1['quantity']+=1

tuple：(1,'fixed one',...)

set: set( ['x','y','z'] )

       X&Y     X|Y    X-Y

file: file1=open('data.txt','w')

       file1.write('Hello\n')

       file1.close()

       file2=open('data.txt','r')

       text=file2.read()

       print text

#user def type(class)

#coding=utf-8

class worker:
    def _init_(self,name,pay):
        self.name=name
        self.pay=pay
    def lastname(self):
        return self.name.split[-1]
    def givenrise(self):
        return self.pay

worker1=worker('jonathan',10000)
print worker1.lastname()+"\n"+worker1.givenrise()