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freephys on 10/04/09

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Last Edited at 10/04/09 12:48am

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Determine if a Sequence is in another sequence in Python

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def seq_in_seq(subseq, seq):
...     while subseq[0] in seq:
...         index = seq.index(subseq[0])
...         if subseq == seq[index:index + len(subseq)]:
...             return index
...         else:
...             seq = seq[index + 1:]
...     else:
...         return -1
... 
>>> seq_in_seq([5,6], [4,'a',3,5,6])
3
>>> seq_in_seq([5,7], [4,'a',3,5,6])
-1

URL: http://stackoverflow.com/questions/425604?sort=oldest#sort-top

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Determine if a Sequence is in another sequence in Python

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