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  1. import re
  2. import sys
  3. import collections
  4.  
  5. c = collections.Counter(re.findall(r'[^\-.,\s;:?!]+', sys.stdin.read()))
  6. print(*sorted(c))
  7. print(*sorted(c, key=c.__getitem__))
  8.  
Success #stdin #stdout 0.1s 10104KB
stdin
yo - what, you;;
do you say	 what!

stdout
do say what yo you
do say yo what you