[x[1:] for x in self.files if x != '/']

self.files

for x in self.files

for x in self.files if x != '/'

x[1:] for x in self.files if x != '/'

[x[1:] for x in self.files if x != '/']

ans = []                  # create a new empty list
for x in self.files:      # iterate over it, using x as variable
    if x != '/':          # if the element is not 'x'
        ans.append(x[1:]) # add it after removing 1st char

lst = []
for x in self.files:
    if x != "/":
        lst.append(x[1:])

ret = []
for x in self.files:
    if x != '/':
        ret.append(x[1:])
return ret