填空题
1
下列程序运行后,在键盘输入"apple and peach",则程序运行结果是()。str=input("请输入一串字符串:")flag=0count=0for c in str:if c=="":flag=0else:if flag==0:flag=1count=count+1print(count)
A.3B.6C.9D.18
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