>>> L = ['Adam', 'Lisa', 'Bart', 'Paul']>>> L[-2:]['Bart', 'Paul']>>> L[:-2]['Adam', 'Lisa']>>> L[-3:-1]['Lisa', 'Bart']>>> L[-4:-1:2]['Adam', 'Bart']看不懂這個(gè)[-2:]? 它-2是Bart，-1為結(jié)束索引，不包含該索引的值，為啥結(jié)果還有‘paul’
倒序切片求詳解
qq_紅了櫻桃綠了芭蕉_0
2018-07-25 21:58:36
