What will be the output of the following Python code?def foo(k): k = [1]q = [0]foo(q)
Question
What will be the output of the following Python code?def foo(k): k = [1]q = [0]foo(q)
Solution
The output of the given Python code will be nothing because the function foo(k) doesn't return anything or print anything.
However, if you are wondering about the value of q after the function call foo(q), it will still be [0].
Here's the step by step explanation:
-
The function
foo(k)is defined to take an argumentkand within the function,kis assigned a new list[1]. -
qis defined as a list with a single element0. -
The function
foois called withqas the argument. -
Inside the function,
k(which isqin this context) is assigned a new list[1]. However, this doesn't affectqoutside the function because lists are passed by reference in Python, and the function is creating a new referencekinstead of modifying the original referenceq. -
After the function call,
qremains[0]because its original reference was not modified in the function. -
The function does not have a return statement and does not print anything, so the output is nothing.
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