摘要：
1 # -*- coding: utf-8 -*- def triangles(): line = [1] while True: yield line line = [x + y for x, y in zip([0] + line, line + [0])] n = 0 for t in tri 阅读全文
摘要：
d = {'x': 'A', 'y': 'B', 'z': 'C'} # 下方的三种方式都能生成同样的列表 a = [] for k, v in d.items(): # 直接生成键和值，再添加到空列表中 a.append(str(k + '=' + v)) print(a) b = [] for 阅读全文