@staticmethod<EOL><INDENT>def closein_comparison(old_txt: str, new_txt: str) -> None:<DEDENT>
nt = new_txt.strip()<EOL>ot = old_txt.strip()<EOL>if ot != nt:<EOL><INDENT>while nt and ot and nt[:<NUM_LIT:20>] == ot[:<NUM_LIT:20>]:<EOL><INDENT>nt = nt[<NUM_LIT:20>:]<EOL>ot = ot[<NUM_LIT:20>:]<EOL><DEDENT>print(nt[:<NUM_LIT>])<EOL>print(ot[:<NUM_LIT>])<EOL><DEDENT>
Assist with testing comparison -- zero in on the first difference in a big string

        @param old_txt:
        @param new_txt: