3
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For a list of strings (or other elements):
SeedRandom[3];
t1 = Table[RandomChoice[CharacterRange["A", "E"]], 20]
{"D", "A", "B", "C", "A", "A", "E", "C", "C", "C", "B", "A", "A", \
"C", "B", "D", "D", "A", "B", "C"}
I want to split the list starting at a certain symbol (say "B"):
t2 = Split[t...