Pythonic way of checking if a condition holds for any element of a list

Question

I have a list in Python  and I want to check if any elements are negative   Specman has the has   method for lists which does   x  list of uint  if  x has it  lt  0            do something      Where it is a Specman keyword mapped to each element of the list in turn   I find this rather elegant   I looked through the Python documentation and couldn t find anything similar   The best I could come up with was   if  True in  t  lt  0 for t in x          do something   I find this rather inelegant   Is there a better way to do this in Python

User · Answer

Use any     if any t  lt  0 for t in x         do something

User · Answer

Python has a built in any   function for exactly this purpose

User · Answer

any     if any t  lt  0 for t in x         do something   Also  if you re going to use  True in       make it a generator expression so it doesn t take O n  memory   if True in  t  lt  0 for t in x

[python] Pythonic way of checking if a condition holds for any element of a list

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