Python Question / Quiz; What is the output of the following Python code, and why? Comment your answers below!
Answer: a. [1, 2, 3] The code initializes a list x with the values [1, 2, 3]. A copy of this list is then assigned to y using the x.copy() method. This creates a new, independent list for y. When 4 is appended to x, it only modifies the list x, leaving y unchanged.
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Option a because before appending we have created a copy of x in y and appending is done in x not y so it will print 1,2,3
1. y = x.copy() creates a new list with the same elements as variable x 2. y is an independent list 3. x.append(4) updates list x becoming [1, 2, 3, 4]. List y remains unchanged 4. Therefore print(y) outputs [1, 2, 3] on the console
First we copy x to y, making y=[1,2,3]. Then the append command is for x, i.e adding 4 to x. This has no effect on y, which means y remain same as y=[1,2,3]. Therefore, answer is option a
a. I am still pissed at python for loop for not functioning like C loop.
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A...the append refers to the initial variable x, while the print functions calls the y value
A copy method of list return copy of original list therefore x and y refers to different memory location
a) [1,2,3] if we use y=x instead of y=x.copy() then the output is b) [1,2,3,4].
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