对trec格式的文本进行处理，结果为文本中的一行对应一条微博-Trec formatted text processing, the result is a line of text corresponds to a micro-Blog

该程序代码实现的功能是要读入一行文本，其中以空格分隔为若干个单词，以‘.’结束。输出这行文本中每个单词的长度。-he function of the program code implementation is to read a line of text, which is suitable for several words separated by Spaces, with the . .Output the length of each word in this line of te