new_contents: import sys
  class Solution(object):
      def fizzBuzz(self, n):
          """
          :type n: int
          :rtype: List[str]
          """
          ret = []
          for i in xrange(1, n + 1):
              s = ''
              if i % 3 == 0:
                  s += 'Fizz'
              if i % 5 == 0:
                  s += 'Buzz'
              if i % 3 > 0 and i % 5 > 0:
                  s += str(i)
              ret.append(s)
          return ret
  
subject: Add py solution for 412. Fizz Buzz