Declare a struct that represents a pencil named Pencil. The struct will have a single member variable of type float named length. in the main create an instance of the struct named p$.$Then assign the value $3\mathrm{.}5$to the member variable of that instance

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$\}(\_\_\_\_\_\_\_)//$ mark end of struct definition

int main$()$

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return $0$;

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