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  1. import re
  2. p = "The pen is on the table."
  3. def repl(x):
  4. 	if x.group(1):
  5. 		return "B{}".format("I"*len(x.group(2)))
  6. 	elif x.group(3):
  7. 		return "B"
  8. 	else:
  9. 		return "S"
  10.  
  11. print( re.sub(r'(\w)(\w*)|([^\w\s])|\s', repl, p) )
  12. # => BIISBIISBISBISBIISBIIIIB
  13.  
Success #stdin #stdout 0.02s 9556KB
comments (?)
stdin 
Standard input is empty
stdout 
BIISBIISBISBISBIISBIIIIB
https://ideone.com/GOOLNJ
language:
Python 3 (python  3.9.5)
created:
4 years ago
visibility:
public

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