Variables patient$1,$ patient$2,$ patient$3,$ and patient$4$ are read from input. Create a set named unique$\_$names containing patient $1,$ patient$2,$ patient$3,$ and patient$4.$

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

$1$ patient$1=$ input

patient$2=$ input

patient$3=$ input $()$

patient$4=$ input

$6$

$7$

$8$ print$($sorted$($unique$\_$names$))$