How to add a legend to a plot in JuliaLang?

// plain

Adding a legend to a plot in JuliaLang is easy. The following example code block will add a legend to a plot:

using Plots

x = [1,2,3,4]
y = [2,4,6,8]

plot(x, y, label="Line")

# Add legend
legend()

The code consists of the following parts:

using Plots: This imports the Plots package.
x = [1,2,3,4] and y = [2,4,6,8]: These define the x and y coordinates of the plot.
plot(x, y, label="Line"): This creates the plot with the label "Line".
legend(): This adds the legend to the plot.

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