How can in-place addition of Python elements be performed in an element-wise manner?

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In Python, in-place addition of elements can be performed in an element-wise manner using the += operator. Here is an example:

a = [1, 2, 3]
b = [4, 5, 6]

# add elements of b to a in-place
for i in range(len(a)):
    a[i] += b[i]

print(a) # Output: [5, 7, 9]

In this example, we have two lists a and b, and we want to perform in-place addition of their elements in an element-wise manner. To do this, we use a for loop to iterate over the elements of a and b simultaneously and add them using the += operator. This will change the values of a in-place without creating a new list.