Question

编写一个程序，由用户输入一个含有5个单词的英文句子，按照用户的要求输出句中的第I个单词。

Answer 1

给你个Perl源码：
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#!usr/bin/perl
print "Please enter a sentence containing 5 words:\n";
$sentence = <STDIN>;
print "\nWhich word do you want to print?\nEnter a number from 1 to 5:\n";
$num = <STDIN>;
@words = split /\s+/, $sentence;
print "The word is:\t$words[$num-1]\n";
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