class Solution:
    def simplifyPath(self, path):
        """
        :type path: str
        :rtype: str
        """
        l = path.split('/')

        dirs = []
        for x in l:
            if x == '.' or x == '':
                continue
            elif x == '..':
                if dirs:
                    dirs.pop()
            else:
                dirs.append(x)

        if not dirs:
            return '/'
        result = ''
        for d in dirs:
            result += '/{}'.format(d)

        return result