if __name__ == '__main__':
name = './data/train.txt'
with open(name, 'r', encoding='utf-8') as f:
lines = f.readlines()#获取所有行
sum = 0
list = []
for line in lines:#第i行
#找到第一个空格
for j in range(len(line)):
if line[j].isspace() == True:
a = line[:j]
if a not in list:
list.append(a)
sum += 1
break
print(list)
提取文档中每一行第一个空格前的内容作为关键字
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转载自blog.csdn.net/tailonh/article/details/105525612
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