Hello,
I wonder if someone has an idea for this problem:
I have a string that contains a serie of chars, separated by single
spaces.
e.g 'a b x n r a b c b'
Having such a string, I d'like to get a list of all predecessors of a
given character.
In the example, the predecessors of b are a,a,c.
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Marc Mamin wrote:
I
