从文本中输入一篇英语文章到程序中，计算里面的单词数，再求字母的众数不分大小写，在按照单词长到短排序到一个新建的文本中。求大佬教我谢谢！！！

大佬，谢谢啦，可是还是不对呀，排序有错误。

结果是这样子的：
unforgettaunforgettaexperienceexperienceexperiencesophomore
unforgettaexperienceexperienceexperiencesophomore
experienceexperienceexperiencesophomore
experienceexperiencesophomore
experiencesophomore
sophomore
Everyone
course
sports
senior
school
school
annual
years
track
field
have
held
When
high
also
game
the
was
and
and
old
was
an
in
of
my
a
I
I
I

谢谢你啦