Hello,
len('') # => 0''[0] # => error''[::] # => ''''[::] # <=> ''[0:len(''):1]the syntax of slice: slice(start, end, step) The start in ''[::] equivalent at index 0 of the '' Since the index 0 of '' returns an error. The ''[::] should not return an error logically. Best regards -- https://mail.python.org/mailman/listinfo/python-list
