说明：  采集###学校2020年1月1日到5月31日之间的所有新闻文字，然后实现：1）统计每个月出现次数最多的前10个词，分别生成柱状图显示每个词出现的次数，每个月保存为一个图片文件，以月份命名；2）统计这段时间所有新闻中出现次数最多的前10个词，然后统计这10个词在1到5月分别出现的次数，绘制折线图显示这10个词的变化曲线，在一个图形中显示，每个词一条折线，自动保存为一个图片文件
(Collect all the news texts of the school from January 1 to May 31, 2020, and then realize: 1) count the top 10 words that appear the most in each month, generate a histogram to show the number of words that appear in each month, save each month as a picture file, named after the month; 2) count the top 10 words that appear the most in all the news in this period, and then count these 10 words Draw a line chart to show the change curve of these 10 words in the number of times from January to may, and display each word as a line in a graph, and automatically save it as a picture file)