每次执行时可以从文本文件中读一行数据的函数是()。
A. open()
B. read()
C. readline()
D. write()
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能够重定位打开的文件的文件指针的函数是()。
A. seek()
B. tell()
C. next()
D. close()
不能访问二进制文件的模块是()。
A. pickle
B. csv
C. struct
D. marshal
with open("text1.txt","w+") as f1:f1.write("床前明月光,疑是地上霜")f1.close()with open("text1.txt") as f1:print(f1.read(1))
A. 床前明月光
B. 床前明月光,
C. 床
D. 床前明月光,疑是地上霜
with open("text1.txt","w+") as f1:f1.writelines("床前明月光,\n疑是地上霜")f1.close()with open("text1.txt") as f1:print(f1.readlines(2))
A. ['床前明月光,\n']
B. ['床前明月光']
C. ['床前']
D. ['床前明月光,\n', '疑是地上霜']