jwickstra/TWU24ChinaPairStairs — comment on commit 26044d6e66ef1c66a517e7fb5675fcaf24d2ce0e
File: progpair/stairlibrary.py line 13
By cosmin:

in general you should not call methods with __ in their names. To get the length of the first_second use len(first_second) instead of first_second.__len__()