Python: I keep receiving an error stating "ResourceWarning:Enable tracemalloc to get the object allocation traceback"

DES ufifthchar.py x 1 def fifthchar (filename): f-open(filename, 'r') 4 1-list (f.readlines()) S="" for i in range(len(1)): 1[1]=1[1][:-1] 1[i]=1[i].strip() for i in 1: if len(i)