摘要： 参考视频：莫烦python https://mofanpy.com/tutorials/python-basic/threading/why/ 1.多线程简单介绍 # -*- coding: utf-8 -*- import threading def main(): print(threading 阅读全文

摘要： https://www.bilibili.com/video/av51720348?p=5 阅读全文

摘要： > x<-runif(50,0,2) > y<-runif(50,0,2) > plot(x,y,main="散点图",xlab="横坐标",ylab="纵坐标") > text(0.6,0.6,"text at (0.6,0.6)") > abline(h=.6,v=.6) > 阅读全文