$7\mathrm{.}3\mathrm{.}1$: Creating a recursive method.

$525576\mathrm{.}2987162.$qx$3$zqy$7$

Start

Write sumAll$()\text{'}$s base case to output sum, $"=",$ and arg if arg is less than or equal to $1.$

Ex: If the input is $3,$ then the output is:

$6=1+2+3$