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  1. # your code goes here
  2. import collections;
  3. import operator;
  4. def second_most_freq_elem(arr):
  5. 	map = collections.Counter(arr);
  6. 	sorted_map = sorted(map.items(), key=operator.itemgetter(1), reverse=True);
  7.  
  8. 	i = 0;
  9. 	for k,v in sorted_map:
  10. 		if(i < 1):
  11. 			i+=1;
  12. 		else:
  13. 			return k;
  14. 	return -1;
  15.  
  16. arr = [4,4,4,3,2,1,1];
  17. print second_most_freq_elem(arr);
Success #stdin #stdout 0s 23608KB
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https://ideone.com/uQ6dyJ
language:
Python (cpython 2.7.16)
created:
7 years ago
visibility:
public

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