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  1. import re
  2.  
  3. def checkio(text):
  4.     text = re.sub('[^a-z]', '', text.lower())
  5.  
  6.     alph = {}
  7.     for char in text:
  8.         if char not in alph.keys():
  9.             alph[char] = text.count(char)
  10.  
  11.     return sorted(alph.items(), key=lambda x: (-x[1], x[0]))
  12.  
  13. if __name__ == '__main__':
  14.     print( checkio("Hellooaaaacccc bbbbWorld!") )
  15.  
Success #stdin #stdout 0.1s 10088KB
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stdin
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Standard input is empty
stdout
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[('a', 4), ('b', 4), ('c', 4), ('l', 3), ('o', 3), ('d', 1), ('e', 1), ('h', 1), ('r', 1), ('w', 1)]
https://ideone.com/hNn68L
language:
Python 3 (python  3.12)
created:
11 years ago
visibility:
public

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