text: import pytest
  
  def check_leap_year(year):
  	if (year % 4) == 0:
  	   if (year % 100) == 0:
  	       if (year % 400) == 0:
  		  return 1; 
  	       else:
  		  return 0;
  	   else:
  	       return 1;
  	else:
  	   return 0;
  
  @pytest.mark.parametrize('year', [2000, 2001, 2002])
  def test_run(year):
      assert check_leap_year(year) == 1
  