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Using Python.Thanks Q4 - Write a function sumN (n) that returns the sum of the first n natural numbers. def sumN(n): Sum all the first

Using Python.Thanks

Q4 - Write a function sumN (n) that returns the sum of the first n natural numbers.

def sumN(n):

"""Sum all the first n natural numbers.

>>> sumN(3) # 1 + 2 + 3 = 6

6

>>> sumN(5) # 1 + 2 + 3 + 4 + 5 = 15

15

"""

*** YOUR CODE HERE ***

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