Read a Scheme expression from a string.
(program)
| 58 | ################ Parsing: parse, tokenize, and read_from_tokens |
| 59 | |
| 60 | def parse(program): |
| 61 | "Read a Scheme expression from a string." |
| 62 | return read_from_tokens(tokenize(program)) |
| 63 | |
| 64 | def tokenize(s): |
| 65 | "Convert a string into a list of tokens." |