gets.chomp在列表中查找字符串

Question

是否可以在gets.chomp，if的{​​{1}}列表中找到字符串？

elsif

Answer 1

要查找数组中是否存在元素，可以使用include?。这里：

if mult_of_three.include?(number)

示例：

number = gets.chomp
36
# => "36" 

mult_of_three.include?(number)
# => true 

number = gets.chomp
98
# => "98"

mult_of_three.include?(number)
# => false