class Solution(object):

def simplifyPath(self, path):

"""

:type path: str

:rtype: str

"""

# 1. Dirs list separated by "/" as the slashes need to be separated

# 2. "." have no meaning for path summarization hence we could remove them

dirs = [d for d in path.split("/") if d and d != "."]

# Iterate through the possible directories

i = 0

while i < len(dirs):

# If ".." exist then remove entry before the directory as it goes back and delete ".." as well

# Else iterate further

if dirs[i] == "..":

if i > 0:

del dirs[i]

del dirs[i-1]

i = i-1

else:

del dirs[i]

else:

i += 1

# return answer by joining with "/" and add a "/" in front

return "/"+"/".join(dirs)

# Eliminating components without knowing the rules wont work, unix path rules should apply

"""

if ".." in dirs:

if dirs[len(dirs)-1] == "..":

return "/"

else:

return "/"+dirs[len(dirs)-1]

else:

if len(dirs) == 0:

return "/"

if len(dirs) == 1:

if dirs[0] == ".":

return "/"

else:

return "/"+dirs[0]

else:

return "/".join(dirs)

"""