运用字符串拼接,通过for循环将输入字符串中非空格字符筛选出来,与一个空字符串拼接,然后返回该字符串即可 def trim(s): L='' for i in range(len(s)): if s[i]!=' ': L=L+s[i] return L
Sign in to make a reply
SenSibility7
运用字符串拼接,通过for循环将输入字符串中非空格字符筛选出来,与一个空字符串拼接,然后返回该字符串即可 def trim(s): L='' for i in range(len(s)): if s[i]!=' ': L=L+s[i] return L