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lhsfcboy/open_two_files.py

Created June 26, 2017 06:35
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同时打开两个文件
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open_two_files.py
with open('name_age.txt', 'r') as fread, open('age_name.txt', 'w') as fwrite:
line = fread.readline()
while line:
name, age = line.rstrip().split(',')
fwrite.write('{},{}\n'.format(age, name))
line = fread.readline()
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