$541016\mathrm{.}3900880$ qx$3$zqy$7$

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Set animals$\_$set$1$ contains 'quail'. Set animals$\_$set$2$ contains two strings read from input. Perform the following tasks:

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

Remove 'tortoise' from animals$\_$set$1.$

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

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

animals$\_$set$1$ 'quail'