Add a function that will help with UE1 A.3
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@ -78,7 +78,18 @@ tzr_zeugen :: Zeichenreihe -> Teilzeichenreihe -> Zerlegungszeugen
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tzr_zeugen [] [] = []
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tzr_zeugen z t
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| not (ist_tzr z t) = []
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| otherwise = []
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| wieOft z t == 1 = [tzr_zeuge z t]
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| otherwise = get_all_substring_variants z t []
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get_all_substring_variants :: Zeichenreihe -> Teilzeichenreihe -> Zerlegungszeugen -> Zerlegungszeugen
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get_all_substring_variants z t r
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| not (ist_tzr z t) = r
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| otherwise =
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let
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pos = (find_tzr_position z t 0) - 1
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new_res = r ++ [(tzr_zeuge z t)]
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in
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get_all_substring_variants (take pos z) t new_res
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-- Aufgabe A.4
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