[英]How can I read part of file and write the rest to another file?
我有多个大型csv文件。 如何读取每个文件的一部分并将10％的数据/行写入另一个文件？
这对我有用：
with open("in.csv") as infile, open("out.csv", "w") as outfile:
outcsv = csv.writer(outfile)
for i, row in enumerate(csv.reader(infile)):
if not i % 10:
outcsv.writerow(row)
如何读取和处理文件的一部分并将其余部分写入另一个文件？
[英]How can I read and process part of file and write the rest to another file?
仅当某些值在范围内时，我才能从文件中读取内容，然后写出到另一个文件中？
[英]How can I read in from a file, then write out to another file only if certain values are in a range?
如何部分读取文本文件并将其写入另一个文本文件
[英]How to partially read a text file and write the piece into another text file
如何读取文本文件并将其逐字写入python中的另一个文件？
[英]How to read a text file and write it word by word into another file in python?
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