摘要:
网址 https://inst.eecs.berkeley.edu/~cs61a/fa21/disc/disc11/#q1-using-pair problem1: probelm2: def calc_eval(exp): if isinstance(exp, Pair): # Call expr 阅读全文
摘要:
网址 https://inst.eecs.berkeley.edu/~cs61a/fa21/lab/lab11/#problem-3 problem1: class Buffer: """A Buffer provides a way of accessing a sequence of token 阅读全文