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What happens when the following code is executed:: xlabel("First label")  xlabel("Second label")

Question

What happens when the following code is executed:

xlabel("First label")
xlabel("Second label")
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Solution

The code snippet you've provided appears to involve label manipulation in a plotting or graphical library, most likely MATLAB or Python's Matplotlib, where the xlabel function is used to set the label for the x-axis in a graph.

Explanation of the Code Execution

  1. Functionality of xlabel:

    • The xlabel() function in both MATLAB and Matplotlib is designed to assign a label to the x-axis of a plot.
  2. Execution of the Code:

    • When the code xlabel("First label") is executed, it sets the x-axis label to "First label".
    • When the second line, xlabel("Second label"), is executed right after, it changes the x-axis label to "Second label", effectively overriding the first label.
  3. Final Effect:

    • The final outcome of executing these lines of code sequentially will result in the x-axis of the plot displaying "Second label". The first label is replaced and therefore not visible in the final plot.

In summary, when both lines are executed, the x-axis will only reflect the last executed label, which is "Second label". This behavior is common in environments where the last executed command in a sequence overrides prior ones.

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