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  1. s=input()
  2. d=""
  3. for b in s:
  4. 	if 'A'<=b and b<='Z': d+=b
  5. 	if 'a'<=b and b<='z': d+=b
  6. print(d)
Success #stdin #stdout 0.07s 14188KB
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1234f132f
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https://ideone.com/la8zqQ
language:
Python 3 (python  3.12)
created:
9 days ago
visibility:
public

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