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  1. import fileinput
  2. err = False
  3. for line in fileinput.input():
  4. 	line = line.rstrip('\n')
  5. 	if line != "".join(sorted(line)):
  6. 		err = True
  7. 		print("[%d] Bad line: %s" % (fileinput.lineno(), line))
  8.  
  9. if not err:
  10. 	print("All ok!")
  11.  
Success #stdin #stdout 0.02s 8688KB
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stdin
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Press edit.
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stdout
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[1] Bad line: Press edit.
[2] Bad line: Then paste code here.
https://ideone.com/knuIEL
language:
Python 3 (python  3.9.5)
created:
9 years ago
visibility:
public

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