Company Logo using Python 3 -HackerRank Solution

 #!/bin/python3

import math

import os

import random

import re

import sys

import collections 

if __name__ == '__main__':

    s = sorted(input().strip())

    s_counter=collections.Counter(s).most_common()

    s_counter=sorted(s_counter,key=lambda x:(x[1]* -1,x[0]))

    for i in range(0,3):

        print(s_counter[i][0],s_counter[i][1])