How to set the interval of the axis in pyplot

Question

I want to adjust my X & Y axis in multiple of 10. x= [\'1\', \'2\', \'3\', \'4\', \'5\', \'6\', \'7\', \'8\', \'9\', \'10\', \'11\', \'12\', \'13\', \'14\', \'15\', \'16