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LeetCode: 71. Simplify Path

Posted on Edited on In Valine: 
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class Solution(object):
    def simplifyPath(self, path):
        """
        :type path: str
        :rtype: str
        """
        stack = []
        items = path.split('/')
        for item in items:
            if item=='.' or not item:
                continue
            elif item=='..':
                stack = stack[:-1];
            else:
                stack.append(item)
        return '/'+'/'.join(stack)