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Update array-check-if-exist.py

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marina 2023-08-07 17:22:45 -07:00 • committed by GitHub
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arrays_and_strings/array-check-if-exist.py
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@ -16,7 +16,7 @@ def check_if_exist(arr: list[int]) -> bool:
aux_dict = {} aux_dict = {}
for i, num in enumerate(arr): for i, num in enumerate(arr):
aux_dict[2*num] = i aux_dict[2 * num] = i
for j, num in enumerate(arr): for j, num in enumerate(arr):
if num in aux_dict.keys() and j != aux_dict[num]: if num in aux_dict.keys() and j != aux_dict[num]: