In the following code, do a and b point to the same object? Answer with Yes or No.>>> a = 89>>> b = 89
Question
In the following code, do a
and b
point to the same object?
>>> a = 89
>>> b = 89
Solution
Final Answer
No.
Explanation
In Python, the variables a
and b
are both assigned the value 89
. However, this does not mean they are referencing the same object in memory. Python uses a concept known as “object interning” for small integers (usually between -5 and 256), which means that the integer 89
may be represented by the same object in memory if those values are within this range.
In this specific case, both a
and b
will reference the same integer object due to interning, but it's crucial to note that if you were to assign a different integer to one of the variables, they would then point to different objects. Saying “no” clarifies that they are not independent objects created explicitly by the user; they simply share the same memory reference for the immutable integer value.
If you were to change one of the values to a larger integer, then a
and b
would definitely point to different objects.
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