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pythonand-operator

AND operator while assignment

What does this means : 

>>> a = 12 and 13
>>> a
13

How does and operator works while assigning values or is just that it takes the last value ?

Solution

  • If the expression on the left of and is false, it will be returned. Otherwise, and returns the value on the right:

    0 and 13
Out[3]: 0

12 and 13
Out[4]: 13

    You should think about how this works- check all the combinations of True/False on the left and right, and you'll see that having and work this way means the value it returns always reflects the True/False status of both expressions.