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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def is_indiclang_char(c,lang):
 """ Applicable to Brahmi derived Indic scripts """

    o=get_offset(c,lang)
    return (o>=0 and o<=0x7f) or ord(c)==DANDA or ord(c)==DOUBLE_DANDA