What does the plt.xlabel() function do in Matplotlib?Set the title of the plotCreate a legend for the plotSet the y-axis labelSet the x-axis label

The plt.xlabel() function in Matplotlib is used to set the label for the x-axis of a plot. It allows you to provide a description for the data along the x-axis, which can help viewers understand what the axis represents in the context of the plotted data. This function is particularly important for clarity when creating visualizations, as it enhances the readability and informative value of the plot.

Here’s a brief breakdown of the options provided in your question:

1. Set the title of the plot - This is accomplished using the plt.title() function.
2. Create a legend for the plot - This is done using the plt.legend() function.
3. Set the y-axis label - This is defined using the plt.ylabel() function.
4. Set the x-axis label - This is achieved through plt.xlabel(), which is the correct answer to your question.

Thus, the correct function for setting the x-axis label is plt.xlabel().