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From: HenHanna <HenHanna@devnull.tb>
Newsgroups: comp.lang.python,comp.lang.lisp
Subject: Re: diff1(x) in Python: True if all adjacent items differ by 1, False
 otherwise.
Date: Sat, 15 Jun 2024 17:13:49 -0700
Organization: A noiseless patient Spider
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On 6/15/2024 2:30 PM, Paul Rubin wrote:
> HenHanna <HenHanna@devnull.tb> writes:
>> def diff1(x):
>>      if len(x) <= 1: return True
>>      for i in range(len(x) - 1):
>>          if abs(x[i] - x[i+1]) != 1:    return False
>>      return True
> 
> def diff2(x):
>    return all(abs(a-b)==1) for a,b in zip(x,x[1:]))


Does this work when x is  []  or  [1]  ?