单选题
下面程序生成CSV格式文件:
王鑫,86,90,92,99,94,95
杨小虹,93,97,95,90,86,85
李静,89,98,99,94,90,85
程序如下:
a=[['王鑫','86','90','92','99','94','95'],['杨小虹','93','97','95','90','86','85'],['李静','89','98','99','94','90','85']]
f=open('成绩.CSV','w')
for i in a:
f.write(','.join(i) ______)
f.close()
划线处的代码应该为?(?)
A.
'r'
B.
'w'
C.
'\\t'
D.
'\\n'
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