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Python django if key exists

How to check if given primary key exists in django model

If using the object ---
try:
   obj = model1.objects.get(pk=20)
except DoesNotExist:
   ###do something####
    
Else ----
if model1.objects.filter(pk=20).exists():
   ###do something###
else:
  ###do otherthing###

Source: grepper.com

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