📅  最后修改于: 2022-03-11 14:47:23.938000             🧑  作者: Mango
new_list = []
for sentence in old_list:
word = ''
for ch in sentence:
if ch == ' ' and word != '':
new_list.append(word)
word = ''
else:
word += ch
if word != '':
new_list.append(word)