肆泰梓

Numpy认识: 是 Python 语言的一个扩展程序库，支持大量的维度数组与矩阵运算，此外也针对数组运算提供大量的数学函数库。 >>> import numpy as np >>> import random 0-19随机生成3行4列的数组 >>> np.random.randint(0,20,(3,4)) array([[15, 4, 1, 13], [ 4, 9, 9, 16], [13, 18, 8, 3

# -*-coding:UTF-8 -*- import json from selenium import webdriver from lxml import etree import time import re # 滚动加载 def height_All(): #每隔0.5秒刷新一次 SCROLL_PAUSE_TIME = 0.5 last_height = driver.execute_script("return document.body.scrollHeight")

# -*-coding:UTF-8 -*- from lxml import etree import requests import os import json import time def getText(url): # 伪装请求头 my_headers = { 'User-Agent': 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/59.0.3

# 折线图 import matplotlib.pyplot as plt from matplotlib import font_manager import random # 中文设置，具体的位置从终端-- fc-list :lang=zh 查路径 myfont=font_manager.FontProperties(fname=r'/System/Library/Fonts/PingFang.ttc') x=range(0,120) y=[random.randint(20,25) for i .