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## arrInts = [1, 3, 2] ## Example 1
## arrInts = [2, 4, 6, 5, 3] ## Example 2
## arrInts = [1, 2, 3, 2, 4, 1] ## Example 3
## arrInts = [5, 3, 1] ## Example 4
arrInts = [1, 5, 1, 5, 1, 5, 1] ## Example 5
arrOutput = []
for nIndx, nElem in enumerate(arrInts):
bIsPeak = False
if nIndx == 0 and nElem > arrInts[nIndx + 1]:
bIsPeak = True
elif nIndx == len(arrInts) - 1 and nElem > arrInts[nIndx - 1]:
bIsPeak = True
elif nElem > arrInts[nIndx - 1] and nElem > arrInts[nIndx + 1]:
bIsPeak = True
if bIsPeak:
arrOutput.append(nIndx)
print (arrOutput)
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