#### Answer

$p=\{ ...,-2,-1,0,1,2 \}$

#### Work Step by Step

Integers are the negative, zero, and positive numbers which include $\{...,-3,-2,-1,0,1,2,3...\}$. Hence, the integers, $p$, less than $3$ are
\begin{array}{l}\require{cancel}
p=\{ ...,-2,-1,0,1,2 \}
.\end{array}