Access Poprzedni wskaźnik Python cyklu
a_list = [1,2,3,4,5]
for index, elem in enumerate(a_list):
if (index+1 < len(a_list) and index - 1 >= 0):
prev_el = str(a_list[index-1])
curr_el = str(elem)
next_el = str(a_list[index+1])
print(prev_el, curr_el, next_el)
OUTPUT
1 2 3
2 3 4
3 4 5
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