highest_rank_in_array.py

"""
    CodeWars - Highest Rank Number in an Array
    https://www.codewars.com/kata/5420fc9bb5b2c7fd57000004/train/python
    
    Complete the method which returns the number which is most frequent in the given input array.
    If there is a tie for most frequent number, return the largest number among them.
    Note: no empty arrays will be given.
"""


def highest_rank(arr):
    return max(arr, key=arr.count)


print(highest_rank([12, 10, 8, 12, 7, 6, 4, 10, 12]), 12)
print(highest_rank([12, 10, 8, 12, 7, 6, 4, 10, 10]), 10)
print(highest_rank([12, 10, 8, 8, 3, 3, 3, 3, 2, 4, 10, 12, 10]), 3)
print(highest_rank([10, 12, 8, 8, 12, 12, 8, 6, 4, 10, 10]), 12)