练习8：打印，打印–笨方法学ruby在线-昊天SEO

<span class="nv">formatter</span> <span class="o">=</span> <span class="s2">"%s %s %s %s"</span>

puts formatter % <span class="o">[</span>1, 2, 3, 4<span class="o">]</span>
puts formatter % <span class="o">[</span><span class="s2">"one"</span>, <span class="s2">"two"</span>, <span class="s2">"three"</span>, <span class="s2">"four"</span><span class="o">]</span>
puts formatter % <span class="o">[</span><span class="nb">true</span>, <span class="nb">false</span>, <span class="nb">false</span>, <span class="nb">true</span><span class="o">]</span>
puts formatter % <span class="o">[</span>formatter, formatter, formatter, formatter<span class="o">]</span>
puts formatter % <span class="o">[</span>
   <span class="s2">"I had this thing."</span>,
   <span class="s2">"That you could type up right."</span>,
    <span class="s2">"But it didn't sing."</span>,
    <span class="s2">"So I said goodnight."</span>
<span class="o">]</span>

formatter = "%s %s %s %s"

puts formatter % [1, 2, 3, 4]

puts formatter % ["one", "two", "three", "four"]

puts formatter % [true, false, false, true]

puts formatter % [formatter, formatter, formatter, formatter]

puts formatter % [

"I had this thing.",

"That you could type up right.",

"But it didn't sing.",

"So I said goodnight."

]

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