i used this code to open a file in my computere using the code playground, but it failed, however it successed in my locaL pytho

Question

f = open('dna.example.fasta')
-----------------------------------
f = open('c:\..\desktop\dna.example.fasta')
--------------------------------------
f = open(r'c:\..\desktop\dna.example.fasta')
-------------------------------------
f = open('c:\\..\\desktop\\dna.example.fasta')
------------------------------------
f = open('c:/../desktop/dna.example.fasta')
----------------------------------=
all gave me this error:
SyntaxError: (unicode error) 'unicodeescape' codec can't decode bytes in position 2-3: truncated \UXXXXXXXX escape
or:
Traceback (most recent call last):
File "..\Playground\", line 1, in <module>
\ufefff = open(r'..\Playground\')
FileNotFoundError: [Errno 2] No such file or directory:

Answer 1

Sololearn doesn't support some libraries yet.. File opening is not supported in Java(On SL) .. So I may tell it won't be able to work in Python too...😅

Answer 2

the file already existed in the path

Answer 3

I think so, what program do you advice me to finish my project on this file? Not the command line program
Thank you so much