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儿童节|Python绘制童年的动漫人物 大家好,今天是儿童节,之前已经教大家使用Python一行代码回到童年的游戏,本文再送给大家一份儿童节礼物——使用Turtle绘制动漫中的人物。 关于Turtle库我们已经讲过很多次,之前我们也曾使用它来画樱花、画爱心520表白,甚至用来做小游戏。其实绘制各种图案的原理都是类似的,就是使用Python...
#coding:utf-8frombs4importBeautifulSoupimportrequestsimportbs4soup= BeautifulSoup(open('D:/x.html', encoding='utf-8'),"html.parser")print(soup.find('body',).children)#.children返回可迭代对象,不是列表,需要用for循环遍历其中的内容fortinsoup.find('body').children: 迭代标签的儿子节点ifisinstance(...
print(soup.head.children) for child in soup.head.children: print(child) #<listiterator object at 0x00000000027335F8> 前面介绍的contents和children属性仅包含标签的直接子节点,如果需要获取Tag的所有子节点,甚至是孙节点,则需要使用descendants属性,方法如下: for child in soup.descendants: print(child) 输出...
for i in ['a','b','c','d']: q.put(i) # 把消息放入队列 print ('put {0} to queue'.format(i)) # 读取数据的进程 def read(q): while 1: result = q.get() # 从队列中读取消息 print ("get {0} from queue".format(result)) ...
# -*- coding=utf-8 -*- # author : wklken@yeah.net # date: 2012-05-25 # version: 0.1 from xml.etree.ElementTree import ElementTree,Element def read_xml(in_path): '''读取并解析xml文件 in_path: xml路径 return: ElementTree'''
其二:守护进程内无法再开启子进程,否则抛出异常:AssertionError: daemonic processes are not allowed to have children 注意:进程之间是互相独立的,主进程代码运行结束,守护进程随即终止 from multiprocessing import Process import time import random class Piao(Process): def __init__(self,name): self.name=name...
#! /usr/bin/env python # -*- coding: utf-8 -*- # Date: 2018/12/1 from abc import ABCMeta, abstractmethod class Player: def __init__(self, face=None, body=None, arm=None, leg=None): self.face = face self.body = body self.arm = arm self.leg = leg def __str__(self):...
# -*- coding: utf-8 -*- import csv c = open("test-01.csv", "r", encoding="utf8") #读文件 reader = csv.reader(c) for line in reader: print(line[0],line[1],line[2]) c.close() 输出结果如下图所示: 在文件操作中编码问题是最让人头疼的,尤其Python2的时候。但只需要环境编码一...
Watch the webcast recording Turtle graphics have been teaching kids basic coding concepts since the creation of the Logo language in the late 1960's. The Turtle module in Python carries the turtle tradition into the 21st century and makes turtle progra