S=“the sky is blue”,表达式print(s[-4:],s[:-4])的结果是:（5.0分）
A.the sky is blue B.blue is sky the C.blue the sky is D.sky is blue the正确答案C
S=“the sky is blue”,表达式print(s[-4:],s[:-4])的结果是:（5.0分）
A.the sky is blue B.blue is sky the C.blue the sky is D.sky is blue the正确答案C
