human
Complete the below
def c2py(plural):

    ''''Gets a C expression as used in PO files for plural forms and returns a
    Python lambda function that implements an equivalent expression.'
    '''
 What is a the Python code you requested?
assistant
#Here is the Python code you requested.
    import token, tokenize
    tokens = tokenize.generate_tokens(io.StringIO(plural).readline)
    try:
        danger = [x for x in tokens if ((x[0] == token.NAME) and (x[1] != 'n'))]
    except tokenize.TokenError:
        raise ValueError('plural    forms    expression    error,    maybe    unbalanced    parenthesis')
    else:
        if danger:
            raise ValueError('plural    forms    expression    could    be    dangerous')
    plural = plural.replace('&&', '    and    ')
    plural = plural.replace('||', '    or    ')
    expr = re.compile('\\!([^=])')
    plural = expr.sub('    not    \\1', plural)
    expr = re.compile('(.*?)\\?(.*?):(.*)')
    def repl(x):
        return ('(%s    if    %s    else    %s)' % (x.group(2), x.group(1), expr.sub(repl, x.group(3))))
    stack = ['']
    for c in plural:
        if (c == '('):
            stack.append('')
        elif (c == ')'):
            if (len(stack) == 1):
                raise ValueError('unbalanced    parenthesis    in    plural    form')
            s = expr.sub(repl, stack.pop())
            stack[(-1)] += ('(%s)' % s)
        else:
            stack[(-1)] += c
    plural = expr.sub(repl, stack.pop())
    return eval(('lambda    n:    int(%s)' % plural))