How to generate all k-1 level substrings of a string?

[K.S.Sreeram]

Girish Sahani wrote:
> I want to generate all substrings of size k-1 from a string of size k.
> e.g 'abcd' should give me ['abc','abd','bcd','acd']

def get_sub_set( s ) :
   return [s[:i]+s[i+1:] for i in range(len(s))]

>>> print get_sub_set( 'abcd' )
['bcd', 'acd', 'abd', 'abc']

Regards
Sreeram

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