D. Monitor time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Recently Luba bought a monitor. Monitor is a rectangular matrix of size n × m. But then she started to notice that some pixels ce…
先上一张效果图: 以上图是一段时间内黄金价格的波动图. 代码如下: import datetime as DT from matplotlib import pyplot as plt from matplotlib.dates import date2num data = [] with open("data.txt") as my_file: for line in my_file: date, price = line.partition("@")[::2]…