def last_blank(src):
if not src: return False<EOL>ll  = src.splitlines()[-<NUM_LIT:1>]<EOL>return (ll == '<STR_LIT>') or ll.isspace()<EOL>
Determine if the input source ends in a blank.

    A blank is either a newline or a line consisting of whitespace.

    Parameters
    ----------
    src : string
      A single or multiline string.