摘要：
Beginning Python 1.matplotlib:example of figures https://matplotlib.org/gallery/index.html 2.font Chinese import matplotlib.font_manager as fm import 阅读全文
摘要：
http://www.ab126.com/shuxue/1709.html [from itertools import permutations s = list(range(1,9)) s [1, 2, 3, 4, 5, 6, 7, 8] list(permutations(s,8))[0] ( 阅读全文