j******g
发帖数: 25 | 1 74T.
data work.test;
Title='A Tale of two Cities,Charles j.Dickens';
word=scan(title,3,',');
run;
proc print data=work.test;
run;
the answer is B = of
但是我运算出来的结果是 什么都没有
72T
data work.test;
first='Ipswich,England';
City=substr(First,1,7);
City_country=City!!';'!!'England';
run;
proc print data=work.test;
run;
我运算出来的结果是
1 Ipswich,England Ipswich Ipswich ;England
试题给出的答案是 D | r********e
发帖数: 1686 | |
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