weixin_43069769的博客

brew switch python 3.7.4_1brew switch python 3.6.5_1

def getproxyfromxici(): url = 'https://www.xicidaili.com/nn/1' header = {'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/35.0.1916.1...

a = [['DC1',100,130],['DC1',120,150],['DC1',140,200],['DC2',120,150],['DC2',120,250]]lines = lambda data ,index_c: np.array([i[index_c] for i in data])elemeneindex = sorted([[a[k][1] for k,v in enum...

import randomimport timefrom functools import reducefrom itertools import combinationsimport requestsimport numpy as npfrom requests import exceptionsimport cgitbimport sysimport tracebackim...

import randomimport timefrom functools import reducefrom itertools import combinationsimport requestsimport numpy as npfrom requests import exceptionsimport cgitbimport sysimport tracebackim...

# coding=UTF-8import cgitbimport datetimeimport osimport timefrom functools import reducefrom itertools import combinationsimport pandas as pdimport requestsfrom requests import exceptionspd...

# 这是一个周莫烦的视频学习过程#学习numpy是一个矩阵的运算#numpy属性import numpy as npimport matplotlib.pyplot as pltlist_1= ([1,2,3], [2,3,4])#这是一个数组，下面我们把它转换成矩阵array = np.array(list_1) #用np.array(name)把它转换成矩阵...

import osfrom itertools import combinations, permutationsimport numpy as npdef EveError(func): def In(): try : return func (), except Exception as e : ...

错误调试方法1def __exit__ ( self , exc_type , exc_value , traceback ) : return Trueprint ( __exit__ ( 11 * 1 , TypeError , TypeError.args , traceback = 'EEEE' )) #给出错误类型可以调试错误调试方法2#错误调试函数def Eve...

req_way = str(__import__('requests'))codestring = 'requests.get(url,timeout=5)'str_index_abs = lambda strings,keyword : [i for i in range(len(strings)) if strings[i] == keyword]str_index_minus = la...

# coding=UTF-8import tracebackimport requestsfrom requests import exceptionsimport reimport timeimport randomfrom sys import platformfrom urllib.request import urlopen # 用于获取网页from bs4 impor...

def CalTime(func): def In(): start = time.process_time() func() end = time.process_time() calltime= end-start print(calltime) return Inprint(callable(...

#定义一个闭包函数测试程序运行时间def CalTime(func): def In(): start = time.process_time() #函数的初始时间 func_body = func() #执行函数的主体 print(func_body) #打印函数运行结果 end = time.process_time()...

eval("__import__('os').system('find ~ -name coder_1* ')") –>find: /Users/manmanzhang/Library/VoiceTrigger/SAT: Operation not permitted/Users/manmanzhang/.Trash/net_work的副本/coder_1.py/Users/ma...

math.e 自然常数e >>> math.e 2.718281828459045　　　　math.pi 圆周率pi >>> math.pi 3.141592653589793　　　　math.degrees(x) 弧度转度 >>> math.degrees(math.pi) 180.0　　　　math.radians(x) 度转弧度 &...

name__name__作用是返回函数名–>a = lambda a : a*2b = lambda b : b**2def aa(x): return x*2def bb(x): return x**2a.__name__,b.__name__,aa.__name__,bb.__name__ # #result -> ('<lambda>...

class Student(object): @property def score(self): return self._score @score.setter def score(self, value): if not isinstance(value, int): raise ValueError...

path_of_html = "/Users/manmanzhang/Downloads/net_work/analysis_str/pycharm_html.html"path_of_log = "/Users/manmanzhang/Downloads/net_work/analysis_str/pycharm_headers.log"url = 'https://oldschool.ru...

eval函数危险性evel作用逻辑函数动态的意义出了一些安全攻防共多的意义则是提供了可迭代的函数方法，譬如让函数根据环境变化进行自我迭代x = 10 def func(): y = 20 a = eval('x + y') print('a: ', a) b = eval('x + y', {'x': 1, 'y': 2}) print('x: ' + str(x)...

url = 'https://oldschool.runescape.wiki/w/Category:Monsters'

https://addons.mozilla.org/en-US/firefox/addon/katalon-automation-record/

import requestsimport randomimport timeclass url: file_path = "/mnt/20b6e464-6bcb-425a-aa3b-5e69ba809c9b/OSRS/" file_name = "OSRS" def create_url(self): n = 0 file = ope...

pip3 install --user ipython 报错如下The script pygmentize is installed in '/Users/manmanzhang/Library/Python/3.7/bin' which is not on PATH. Consider adding this directory to PATH or, if you prefer to s...

hy网址hy语言网址 pip install git+https://github.com/hylang/hy.git

找到自己的ip地址inet后面的 xxx.xxx.xxx.xxx就是自己的地址ifconfig 运行python脚本 端口8000或者其他python3 -m http.server 8000目标电脑打开浏览器输入网址：xxx.xxx.xxx.xxx:8000即可打开待传输电脑目前运行命令的目录...

import osimport reimport subprocessimport timeimport numpy as npimport pandas as pd#文本地址print('plese old file path')file_path = input()print('Please new file name :')New_file_name = str(inp...

import os#方案1os.system('ls') #写入命令直接操作'''推荐使用第二个，shell=True保证命令在shell里被执行'''#方案2 a = subprocess.call(['ls','-all'],shell=True) #方案3p = os.popen('ls','r') #命令p.read() #读取命令#'''输出结果Out[...

def dg(N): try: print(N) def aa(key='N'): return aa(key='N') print(aa()) except Exception as a : time.sleep(2) N -= 1 print(a) ...

、原来的打开文件的方式是：file = open(pathTxt, ‘w’, encoding=‘utf-8’)2、修改后的写法：（将文件的打开模式由“写入”改为“追加”）file = open(pathTxt, ‘a’, encoding=‘utf-8’)模式参数的说明：r：以只读方式打开文件。文件的指针将会放在文件的开头。这是默认模式。r+：打开一个文件用于读写。文件指针将会放在文...

'''python元编程'''#定义一段函数fun_c = lambda x : np.arange(x,10,2) ; repr(fun_c(0))#将函数计算结果变成python解释能够理解的语言#print('repr(fun_c(0))-->'),\#print('type(repr(fun_c(0)))-->'),\type(repr(fun_c(0)))'''...

import pandas as pdimport time#最简单的方法，直接填上URL抓取表格，速度快,但是必须有表格文件#url2 =''.join( [chr(int(int(i,16)/2)) for i in url.split('/')[:-1]])try: for t in range(20000): for page in range(...

pandas 常见用法总结http://www.manongjc.com/article/78814.html''''''#html转dataFramedf = pd.read_html('/home/ubuntu/下载/NewFilepath_vlaue.html')#读取百分比值函数get_int = lambda i :int(re.findall(r'\+(.*?)\%',...

: 定义表格 : 定义表格的页眉 : 定义表格的主体 : 定义表格的行 : 定义表格的表头 : 定义表格单元

df = pd.read_csv('/home/ubuntu/下载/New_RS_Data_All.csv') tdf.loc[2,['ItemName','EndValue']]all_item = set(df['ItemName']) #所有物品名称tdf[tdf['ItemName'] == 'Belladonna seed'] #Belladonna seed名称pd.td...

import requestsimport reimport parserfrom lxml import etreeurl = 'https://www.****.com/'headers = {'User-Agent':'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/77.0...

语法树https://cloud.tencent.com/developer/section/1369298

import numpy as npimport pandas as pddata = open('/home/ubuntu/下载/RS_Data_All(url-page-piont:0-418-648-681).csv').readlines()cut = lambda data,need_index : [i.split(',')[need_index] for i in data]...

#求素数方法def primeNumber(MyRange):n = 10000sum = 0prime = []for i in range(n+1):prime.append(True)for i in range(2,n+1):if prime[i]:print(i),j = i+iwhile j<= n:prime[j] = Falsej += ifrom...

import numpy as npimport pandas as pdimport matplotlib.pyplot as pltimport re#you can used it in all codedef ChangeHex(element): #只要十六进制return len(element)>=5 and element[3] or ‘True’#you ca...

#the enddef su(data):return re.sub(r’[()"’’;]’,’ ‘,data)def mysplit(data):return data.split(’,’)def changehex(element):return len(element)>=5 and element[3] or ‘True’def changetimes(element)...