input: Write a function to generate the first n elements of the Sierpinski triangle. The function should return the elements in the form of a list of strings, where each string represents a row in the triangle. The input parameter n represents the number of rows in the Sierpinski triangle to generate.
  
  def sierpinski_triangle(n): 
      triangle = []
      for i in range(n): 
          row = ''.join('1' if j == '0' or j == '1' else '0' for j in bin(i | (1 << n))[3:])
          triangle.append(row)
      return triangle
  
  assert sierpinski_triangle(6) == [
      '000000',
      '100000',
      '110000',
      '101000',
      '111100',
      '100010'
  ]
output: def sierpinski_triangle(n): 
      triangle = []
      for i in range(n): 
          row = ''.join('1' if j == '0' or j == '1' else '0' for j in bin(i | (1 << n))[3:])
          triangle.append(row)
      return triangle