Set colors$\_$set$1$ contains 'ivory'. Set colors$\_$set$2$ contains three strings read from input. Perform the following tasks:

Update colors$\_$set$1$ with colors$\_$set$2.$

Remove 'tan' from colors$\_$set$1.$

Read the next string from input and add the string to colors$\_$set$1.$

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Note: Because sets are unordered, the sets are printed using the sorted$()$ function here for comparison.