下面代码的输出结果是()。s1=MyGrandpais88yearsold.s2=s1.replace(Grandpa Grandma)print(s2)
下面代码的输出结果是()。s1="MyGrandpais88yearsold.s2=s1.replace(Grandpa","Grandma")print(s2)
A、系统报错
B、MyGrandmais88yearsold.
C、["My","Grandpa","is","88","years"old.]
D、MyGrandpaGrandmais88yearsold.
请帮忙给出正确答案和分析,谢谢!