class Tower
module MarioTower
Your code goes here...
Public Instance Methods
build_tower()
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# File lib/mario_tower.rb, line 6 def build_tower puts "Input number (number >=2)" number = gets.to_i if number < 2 puts "Error" else i = 1 i.upto(number) do |i| puts ' '*(number-i) + '#'*i + ' ' + '#'*i end end end