"""
Substitutes original text by finding all characters in original, and substituting by its position analog in substitution
substituteText("Substitute this", "SseIih", "553114")
'5ub5t1tut3 t415'
"""
def substituteText(original_text, original, substitution):
    output_text = list(original_text)

    index = 0
    for character in original_text:
        if character in original:
            output_text[index] = substitution[original.find(character)]
        index += 1

    return "".join(output_text)