二维曲线： ```py from matplotlib import pyplot as plt import matplotlib matplotlib.use('TkAgg') import numpy as np x = np.arange(10) y = x ** 2 plt.plot(

文件下载地址：凌烟阁.rar 贡献者：陈文杰

from bs4 import BeautifulSoup import requests head={"User-Agent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Ch