题目内容

readme.txt的内容如下：hellochina下面程序的输出结果是（）infile = open("readme.txt", "r")content = infile.read();print(content)

A. hellochina
B. hello
C. china

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readme.txt的内容如下：hellochina下面程序的输出结果是（）infile = open("readme.txt", "r")content = infile.readline();print(content)

A. hellochina
B. hello
C. china

readme.txt的内容如下：hellochina下面程序的输出结果是（）infile = open("readme.txt", "r")content = infile.readline();content = infile.readline();print(content)

A. hellochina
B. hello
C. china

outfile.txt的内容如下：hellochina下面程序的输出结果是（）outfile = open("outfile.txt", "w")outfile.writelines(["hello", " ", "china"])outfile.close()infile = open("outfile.txt", "r")print(infile.read())

A. hellochina
B. hello china

outfile.txt的内容如下：hellochina下面程序的输出结果是（）outfile = open("outfile.txt", "w")outfile.writelines(["hello", " ", "china"])outfile.close()outfile = open("outfile.txt", "a")outfile.writelines(["hello", " ", "china"])outfile.close()infile = open("outfile.txt", "r")print(infile.read())

A. hello china
B. hello chinahello china