在python中使用dict读取文本文件

Question

从下面的文本文件中，将文本文件读入 python 程序并根据第一个字母对所有单词进行分组。以字典的形式表示组。其中凝视字母是“键”，所有以字母开头的单词都是“值”列表。

文本文件是：

Among other public buildings in a certain town, which for many reason it will be prudent to
refine from mentioning, and to which i will assign no fictitious name, there is one anciently
common to most towns, great or small.

Answer 1

stream = open('file name', 'r')
str = ''
current = ' '
while current != '':
    current = stream.read(50)
    str += current
words = str.split(' ')
dict = {}
for w in words:
    if not w[0] in dict:
        dict[w[0]] = [w]
    else:
        dict[w[0]].append(w)

字典是dict