如何使用Python在文本文件中查找和替换？
以下代码在给定的文本文件中进行替换。
替换后，将文本写入新的文本文件“bar.txt”
示例
f1 = open('foo.txt', 'r')
f2 = open('bar.txt', 'w')
for line in f1:
print line
f2.write(line.replace('Poetry', 'Prose'))
f2 = open('bar.txt', 'r')
for line in f2:
print line,
f1.close()
f2.close()输出结果
这给出了输出
Poetry is often considered the oldest form of literature. Poetry today is usually written down, but is still sometimes performed. Prose is often considered the oldest form of literature. Prose today is usually written down, but is still sometimes performed.
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