python - How do I find a previous element in a list? - 


n = 2 list1 = [1,4,6,2,8,9,90]

how go finding number prior number n stored above in list1 , store in variable list1_result?

this should work:

list1 = [1,4,6,2,8,9,90] n = 2 ind = list1.index(n) list1_result = list1[ind-1] # 6

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