单选题
给已有文件“实验中学学生花名册.txt”增加两名学生，而且不能覆盖原有的内容。
下面代码正确的是？（ ）
A.
filename="实验中学学生花名册.txt"
with open(filename,"w") as f:
f.write("黎明\\n")
f.write("方芳\\n")
B.
filename="实验中学学生花名册.txt"
with open(filename,"r") as f:
f.write("黎明\\n")
f.write("方芳\\n")
C.
filename="实验中学学生花名册.txt"
with open(filename,"r ") as f:
f.write("黎明\\n")
f.write("方芳\\n")
D.
filename="实验中学学生花名册.txt"
with open(filename,"a") as f:
f.write("黎明\\n")
f.write("方芳\\n")
发表评论 取消回复