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  1. codes = ['XA1', 'CZZ', 'BT9', 'WFF']
  2. strs = ['XA1', 'XA1;CZZ', 'XA1;BT9;WFF;', 'XA1;XA1;', 'XA1;something']
  3. for s in strs:
  4.     chunks = s.strip(';').split(';')
  5.     if set(chunks).issubset(codes) and len(chunks) == len(set(chunks)):
  6.     	print("{}: Valid!".format(s))
  7.     else:
  8.     	print("{}: Invalid!".format(s))
Success #stdin #stdout 0.01s 27712KB
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stdin
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Standard input is empty
stdout
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XA1: Valid!
XA1;CZZ: Valid!
XA1;BT9;WFF;: Valid!
XA1;XA1;: Invalid!
XA1;something: Invalid!
https://ideone.com/DyRrmj
language:
Python 3 (python  3.12)
created:
6 years ago
visibility:
public

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