434. Number of Segments in a String

# 32ms, 73%; 42ms, 24% ; 35ms, 60%
class Solution(object):
    def countSegments(self, s):
        """
        :type s: str
        :rtype: int
        """
        output = s.split(' ')
        count = 0
        for i in output:
            if i == '':
                continue
            else:
                count += 1
        return count