Python可以使用（ ）函数打开文件，这个函数默认的打开模式为（ ）。
A. openfile 'w'
B. open 'r'
C. open 'w'
D. openfile 'r'2
查看答案
以下选项不是Python文件读操作的是（____）。
A. open()
B. readlines()
C. read()
D. readline()
用open（）函数打开一个不存的文件，以( )权限打开报错。
A. r
B. w
C. a
D. ab
下面表示一个文本类型的是（）
A.
B.
C.
D.
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