Write a Python function countEvens that consumes an integer N and a nested list representing a matrix of arbitrary size (but larger than NxN).  The function returns the number of even numbers in the NxN sub-matrix of the first N rows and columns.  Note: You may assume the list argument passed to the function is a nested list of integers, but it may be larger than NxN!

C++ Programming: From Problem Analysis to Program Design
8th Edition
ISBN:9781337102087
Author:D. S. Malik
Publisher:D. S. Malik
Chapter17: Linked Lists
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Write a Python function countEvens that consumes an integer N and a nested list representing a matrix of arbitrary size (but larger than NxN).  The function returns the number of even numbers in the NxN sub-matrix of the first N rows and columns. 

Note: You may assume the list argument passed to the function is a nested list of integers, but it may be larger than NxN!

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