CodeCademy String Practice

print censor("I had a cat, his name was Matt, and he was, as I said, a cat.", "cat")

def censor(text, word):
    length = len(word)

ch_locs = [ [] for _ in range(length)]

i = 0
    for ch_w in word:
        j = 0
        for ch_t in text:
    	    if ch_w == ch_t:
                ch_locs[i].append(j)
            j += 1
        i += 1

poss_word_locs = [ [] for _ in range(len(ch_locs[0]))]

i = 0
    for loc in ch_locs[0]:
        poss_word_locs[i] = range(loc, loc+length)
        i += 1

i = 0
    for w_loc in poss_word_locs:
        j = 0
        ok = 1
        for ch_loc in w_loc:
            try:
                ch_locs[j].index(ch_loc)
                j += 1
            except ValueError:
                poss_word_locs[i] = None
                break
        i += 1

word_locs = []

for word_loc in poss_word_locs:
        if word_loc != None:
            word_locs += word_loc
  
    censored = list(text)
    for loc in word_locs:
        censored[loc] = "*"

return "".join(censored)

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