fork(2) download 
  1. import sys
  2.  
  3. lis = sorted(sys.stdin.read().strip().split(' '), key=lambda el: el.upper())
  4.  
  5. cur = lis[0].upper()
  6. g = '('
  7. gs = ''
  8. i = 0
  9.  
  10. while i < len(lis):
  11.     el = lis[i]
  12.     if cur == el.upper():
  13.         g += el + ' '
  14.         i += 1
  15.     else:
  16.         g = g.strip() + ')'
  17.         gs += g + ' '
  18.         g = '('
  19.         cur = el.upper()
  20.  
  21. g = g.strip() + ')'
  22. gs += g
  23.  
  24. print(gs)
  25.  
Success #stdin #stdout 0.02s 9256KB
comments (?)
stdin 
D a B c d c C A E c e B b
stdout 
(a A) (B B b) (c c C c) (D d) (E e)
https://ideone.com/6VvEbi
language:
Python 3 (python  3.9.5)
created:
3 years ago
visibility:
public

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