Question

python 最常用的内建函数。

文件打开最常用的方法。

Answer 1

writer = open(‘/tmp.log', 'a', encoding='utf-8') # 以追加模式打开tmp.log文件，编码为utf-8
writer.write('开始处理...') # 写入内容
writer.write('%(tile)s %(author)s %(size)d %(summary)s' % book)
writer.write('处理完毕')
writer.flush() # 刷新缓存
writer.close() # 关闭文件

Answer 2

file = open(path)

Answer 3

open(xxx)