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V={'அ':'a','ஆ':'aa','இ':'i','ஈ':'ee','உ':'u','ஊ':'oo','எ':'e','ஏ':'ae','ஐ':'ai','ஒ':'o','ஓ':'oa','ஔ':'au','ஃ':'h'}
C={'க':'k','ங':'ng','ச':'s','ஞ':'nj','ட':'t','ண':'n','த':'th','ந':'n','ப':'p','ம':'m','ய':'y','ர':'r','ல':'l','வ':'v','ழ':'zh','ள':'l','ற':'r','ன':'n','ஜ':'j','ஷ':'sh','ஸ':'s','ஹ':'h','ஶ':'sh'}
S={'ா':'aa','ி':'i','ீ':'ee','ு':'u','ூ':'oo','ெ':'e','ே':'ae','ை':'ai','ொ':'o','ோ':'oa','ௌ':'au','்':''}
D={chr(0x0BE6+i):str(i) for i in range(10)}
def tanglish(s):
    out=[];i=0
    while i<len(s):
        ch=s[i]
        if ch in C:
            nx=s[i+1] if i+1<len(s) else ''
            if nx in S: out.append(C[ch]+S[nx]); i+=2; continue
            out.append(C[ch]+'a')
        elif ch in V: out.append(V[ch])
        elif ch in D: out.append(D[ch])
        elif ch in S: out.append(S[ch])
        else: out.append(ch)
        i+=1
    return ''.join(out)
if __name__=="__main__":
    import json
    from tokenizers import Tokenizer
    t=Tokenizer.from_file("toks/Beam.json")
    ta={(d["link"]):d["flores_passage"] for d in map(json.loads,open("tam_Taml.jsonl"))}
    en={(d["link"]):d["flores_passage"] for d in map(json.loads,open("eng_Latn.jsonl"))}
    n=lambda L:sum(len(t.encode(x,add_special_tokens=False).ids) for x in L)
    T=list(ta.values()); E=[en[k] for k in ta]
    print(tanglish(T[0])[:300])
    a,b,c=n(E),n(T),n([tanglish(x) for x in T]); print(a,b,c,b/a,c/a, 1-c/b)