Python文件内容修改
'''
吃的文件内容:
过油肉菜
尖椒菜
娃娃菜
'''
import os
with open("吃的", mode="r", encoding="utf-8") as f1, \
open("吃的_副本", mode="w", encoding="utf-8") as f2:
# s = f1.read()
# ss = s.replace("肉", "菜")
# f2.write(ss)
for line in f1:
s = line.replace("菜", "肉")
f2.write(s)
os.remove("吃的") # 删除文件
os.rename("吃的_副本", "吃的") # 重命名文件
结果:
‘’‘
过油肉肉
尖椒肉
娃娃肉
’‘’
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