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Suppose we have a number n, we have to find the sum of the first n positive odd integers.

So, if the input is like n = 10, then the output will be 100, as the first 10 odd integers are [1, 3, 5, 7, 9, 11, 13, 15, 17, 19] and its sum is 100.

To solve this, we will follow these steps −

- There is a nice observation, for first n odd numbers, the sum is always square of n.
- So to get the result, return n*n

Let us see the following implementation to get better understanding −

def solve(n): return n*n n = 10 print(solve(n))

10

100

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