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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def prettyprintable_sql(statement, dialect=None, reindent=True):
 """ Generate an SQL expression string with bound parameters rendered inline for the given SQLAlchemy statement. The function can also receive a `sqlalchemy.orm.Query` object instead of statement. WARNING: Should only be used for debugging. Inlining parameters is not safe when handling user created data. """

    if isinstance(statement, sqlalchemy.orm.Query):
        if dialect is None:
            dialect = statement.session.get_bind().dialect
        statement = statement.statement

    # Generate a class that can handle encoding
    if dialect:
        DialectKlass = dialect.__class__
    else:
        DialectKlass = DefaultDialect

    class LiteralDialect(DialectKlass):
        colspecs = {
            # prevent various encoding explosions
            String: StringLiteral,
            # teach SA about how to literalize a datetime
            DateTime: StringLiteral,
            Date: StringLiteral,
            # don't format py2 long integers to NULL
            NullType: StringLiteral,
        }

    compiled = statement.compile(
        dialect=LiteralDialect(), compile_kwargs={
            'literal_binds': True
        }
    )
    return sqlparse.format(str(compiled), reindent=reindent)