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  1. word = list(input().upper()); abclist = {}
  2.  
  3. if 1 <= len(word) <= 1000000:
  4.     for n in word:
  5.         if 65<=ord(n)<=90: 
  6.             try: abclist[n] += 1
  7.             except: abclist[n] = 1
  8.  
  9. abcmax = [val for val in abclist.values()]; max_value = max(abcmax); cnt = 0
  10. for n in range(len(abclist.values())):
  11.     if abcmax[n] == max(abcmax):
  12.         cnt+=1
  13.  
  14. if cnt == 1:
  15.     print(word[abcmax.index(max_value)])
  16. else:
  17.     print('?')
Success #stdin #stdout 0.03s 9712KB
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https://ideone.com/UbOVTf
language:
Python 3 (python  3.9.5)
created:
16 days ago
visibility:
public

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