print triangle

def print_triangle(size)
  print_top_row_of_triangle(size)
  
  return if size <= 1

  print_middle_section_of_triangle(size)

  print_bottom_of_triangle(size)
end


def print_top_row_of_triangle(size)
  puts "*" if size >= 1
end

def print_middle_section_of_triangle(size)
  row_count = 0

  (size-2).times do
    puts "*" + " "*row_count + "*"
    row_count += 1
  end
end

def print_bottom_of_triangle(size)
  puts "*" * size
end


print "Enter the size of triangle: "
size = gets.to_i
print_triangle(size)