Using the and-or Trick Safely : And Or « Language Basics « Python






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Using the and-or Trick Safely


a = "" 
b = "second" 
print (1 and [a] or [b])[0]
 

# Since [a] is a nonempty list, it is never false. Even if a is 0 or '', 
# or some other false value, the list [a] is true because it has one element.








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