题解 | #参数解析#
单词倒排
http://www.nowcoder.com/practice/81544a4989df4109b33c2d65037c5836
首先把输入的str转化为list
然后把所有间隔符转化为同一种间隔符——空格。
然后重新拼接为str
然后用split将其转为去除空格的list,并颠倒顺序
a = list(input()) # list for i in range(len(a)): # 替换间隔符 if (not (65 <= ord(a[i]) <=90&nbs***bsp;97 <= ord(a[i]) <= 122)): a[i] = ' ' a = ''.join(a) # 转化为str a = a.split() # 去除空格,转化为list a.reverse() # 颠倒顺序 a = ' '.join(a) # 拼接为str print(a)