with open('C:/Users/lhd/Desktop/many/C1_BYXJ_20181209_001.txt', 'r', encoding='utf-8') as file:
num = 0
data = file.readlines() # 这样出来是一个大的列表,还带有分隔符
print(type(data))
for i in data: # 遍历这个列表
num +=1
if num==2000:
break
else:
# re = i.replace('\n','')# 这样会把换行符替换成无
with open('C:/Users/lhd/Desktop/many/a.txt', 'a', encoding='utf-8') as a:
a.write(i)
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