python get index of item in 2d list
myList = [[1, 2], [3, 4], [5, 6]]
def index_2d(myList, v):
for i, x in enumerate(myList):
if v in x:
return i, x.index(v)
print(index_2d(myList, 3))
# you get
# (1, 0)
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