摘要：网易的一道面试题 a = [1, 2, 3] b = a b = [n+1 for n in a] print(a, b) b = [n-1 for n in a] print(a, b) 问两次a和b的值 [2, 3, 4]、[2, 3, 4] [2, 3, 4]、[1, 2, 3] 为什么？ 是 阅读全文