[Chepy](https://github.com/securisec/chepy)
The challenge includes a file that has spaces and unicode spaces. 
```from chepy import Chepyc = Chepy("whitepages.txt", "r")print(    c.load_file()    # replace unicode whitespace    .find_replace("\\u2003", "0")    # replace whitespace    .find_replace(" ", "1")    # decode binary    .from_binary()    # search flag    .search_ctf_flags("LLS"))```