## Summary
This PR re-orders the lexer methods in the following order:
1. `next_token`
2. `lex_token`
3. `eat_indentation`
4. `handle_indentation`
5. `skip_whitespace`
6. `consume_ascii_character`
7. `try_single_char_prefix`
8. `try_double_char_prefix`
9. `lex_identifier`
10. `lex_fstring_start`
11. `lex_fstring_middle_or_end`
12. `lex_string`
13. `lex_number`
14. `lex_number_radix`
15. `lex_decimal_number`
16. `radix_run`
17. `lex_comment`
18. `lex_ipython_escape_command`
19. `consume_end`
Following was considered for the ordering:
* 1 is the main entry point which delegates to 2
* 3, 4, 5 are all related to whitespace which is done first
* 6 is the entrypoint for an ascii character which delegates to 9, 12,
13, 17, 18, 19
* Others are grouped around similar kind of methods