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arrInts = [2, 5, 3, 6, 4] ## Example 1
## arrInts = [1, 3] ## Example 2
## ===== METHOD 1 =====
## nSum = 0
## for nLen in range(1, len(arrInts) + 1, 2):
## ## print (nLen)
## for nPos in range(len(arrInts) + 1 - nLen):
## ## print (arrInts[nPos:nPos + nLen])
## nSum = nSum + sum(arrInts[nPos:nPos + nLen])
## print (nSum)
## ===== METHOD 1 =====
## ===== METHOD 2 =====
arrSum = [sum(arrInts[nPos:nPos + nLen]) for nLen in range(1, len(arrInts) + 1, 2) for nPos in range(len(arrInts) + 1 - nLen)]
print (sum(arrSum))
## ===== METHOD 2 =====
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