gistfile1.py

#!/usr/bin/env python
# coding: utf-8

import sys

def preprocessor(orders):
    import re
    x = re.compile(r"(うん|たん)").findall(orders)
    l = "".join(x)
    orders = ''
    while len(l) >= 6:
        t = l[:6]
        if t == 'うんうんうん':
            orders += '>'
        elif t == 'うんうんたん':
            orders += '<'
        elif t == 'うんたんうん':
            orders += '+'
        elif t == 'うんたんたん':
            orders += '-'
        elif t == 'たんうんうん':
            orders += '.'
        elif t == 'たんうんたん':
            orders += ','
        elif t == 'たんたんうん':
            orders += '['
        else:
            orders += ']'
        l = l[6:]
    return orders
    

MAXSIZE = 10000

orders = ""
data = [0 for x in range(MAXSIZE)]
pointer = 0

filename = sys.argv[1]

with open(filename) as f:
    orders = f.read()
orders = preprocessor(orders)

size = len(orders)

# Extract braces positions
braces = {}
rec = []
for i in range(size):
    if orders[i] == '[':
        rec += [i]
    elif orders[i] == ']':
        begin, end = rec.pop(), i
        braces[begin] = end
        braces[end] = begin

seeker = 0

while seeker < size:
    
    c = orders[seeker]

    if   c == '>': pointer += 1
    elif c == '<': pointer -= 1
    elif c == '+': data[pointer] += 1
    elif c == '-': data[pointer] -= 1
    elif c == '.': sys.stdout.write(chr(data[pointer]))
    elif c == ',': data[pointer] = ord(input())
    elif c == '[' and data[pointer] == 0: seeker = braces[seeker]
    elif c == ']' and data[pointer] != 0: seeker = braces[seeker]

    assert 0 <= pointer < MAXSIZE, 'Out of memory index'

    seeker += 1

print()