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Algorithms & data structures easy

How to Sort Array by Parity (Even Before Odd) in Python

Rearrange an array so all even numbers appear before all odd numbers using a simple two-list partition approach.

array sorting partition
Python 
def sort_array_by_parity(nums):
    """
    Rearrange the array so that all even integers come first,
    followed by all odd integers. The order within even and odd
    groups is not required to be sorted.
    """
    even = []
    odd = []
    
    for num in nums:
        if num % 2 == 0:
            even.append(nu…
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