class Solution:
# @param A : string
# @return a strings
def simplifyPath(self, A):
x=A.split("/")
res=[]
ch=[’.’, “…”, “”]
for i in range(len(x)):
if x[i] not in ch:
res.append(x[i])
else:
if x[i]=="..":
if res:
res.pop()
return "/"+"/".join(res)