_convert_to_list(exp) def _convert_to_list(self,exp): if exp.find("(") == -1: return exp != "" and [exp] or [] exp_list = [] word = "" i = 1 while i < len(exp)-1: if exp[i].isspace(): if word != "": exp_list.append(word) word = "" i += 1 elif exp...
或者将数字编码转换为字母字符。Python 提供了多种方法来实现这种转换。本文将详细介绍在 Python 中将...
将Lisp的带括号的表达式转换为Elixir表达式。 ❯ iex - S mix Erlang / OTP 23 [erts - 11.1 . 7 ] [source] [ 64 - bit] [ smp: 8 : 8 ] [ ds: 8 : 8 : 10 ] [async - threads: 1 ] [hipe] Interactive Elixir ( 1.11 . 2 ) - press Ctrl + C to exit (type h () ENTER...
defto_string(exp):"Convert a Python object back into a Lisp-readable string."return'('+' '.join(map(to_string, exp))+')'ifisa(exp,list)elsestr(exp)defrepl(prompt='lis.py> '):"A prompt-read-eval-print loop."whileTrue: val =eval(parse(raw_input(prompt)))ifvalisnotNone:printto...
while True: val = eval(parse(raw_input(prompt))) if val is not None: print(schemestr(val))def schemestr(exp): "Convert a Python object back into a Scheme-readable string." if isinstance(exp, List): return '(' + ' '.join(map(schemestr, exp)) + ')' else: return str(exp) ...
replace('i', 'j', 1)) except ValueError: return Sym(token)def to_string(x): "Convert a Python object back into a Lisp-readable string." if x is True: return "#t" elif x is False: return "#f" elif isa(x, Symbol): return x elif isa(x, str): return '"%s"' % x.encode...
如何使用Python编写一个Lisp解释器 如何使用Python编写一个Lisp解释器 原文: Peter Norvig 译者: johnc 本文有两个目的: 一是讲述实现计算机语言解释器的通用方法,另外一点,着重展示如何使用Python来实现Lisp方言Scheme 的一个子集。我将我的解释器称之为Lispy(lis.py)。几年前,我介绍过如何使用Java编写一个...
Drop in a screenshot and convert it to clean code (HTML/Tailwind/React/Vue) Python 56,176 6,905 Updated Sep 17, 2024 charlax / professional-programming A collection of learning resources for curious software engineers Python 46,234 3,707 Updated Sep 16, 2024 ahuseyn / TGcollector ...
(py4cl:python-eval "{'hello':'world', 'answer':42}") ; => #<HASH-TABLE :TEST EQUAL :COUNT 2>Data is passed between python and lisp as text. The python function lispify converts values to a form which can be read by the lisp reader; the lisp function pythonize outputs strings ...
line = lisp.buffer_substring(l1,l2)# if code comes from file# get code content from latexblock_begin,block_end,content = get_block_content("```python","```\n")# we have code content at thispoint# scan content to find plt.plot(). if there is, scan buffer# previous to *here* ...