def preprocess_bel_stmt(stmt: str) -> str:
stmt = stmt.strip()  <EOL>stmt = re.sub(r"<STR_LIT>", "<STR_LIT:U+002C>", stmt)  <EOL>stmt = re.sub(r"<STR_LIT:U+002C>", "<STR_LIT:U+002CU+0020>", stmt)  <EOL>stmt = re.sub(r"<STR_LIT>", "<STR_LIT:U+0020>", stmt)  <EOL>return stmt<EOL>
Clean up basic formatting of BEL statement

    Args:
        stmt: BEL statement as single string

    Returns:
        cleaned BEL statement