print a right triangle out of *'s in ascending order. so print_triangle(4) => * ** *** ****

print_triangle.rb

def print_triangle(n) 
  return if n.zero?
  result = []
  result << "*" * n
  
  print_triangle(n-1)
  puts result
end
print_triangel(4)
#=> *
#=> **
#=> ***
#=> ****

#Descending order

#def print_triangle(n) 
#  return if n.zero?
#  puts "*" * n
#  print_triangle(n-1)
#end

#print_triangle(4)
#=> ****
#=> ***
#=> **
#=> *