In Problems $1$ and $2,y=\frac{1}{1c_1{e}^{-x}}$ is a one$-$parameter family of solutions of the first$-$order DE $y^{\text{'}}=y-y^2.$ Find a solution of the first$-$order IVP consisting of this differential equation and the given initial condition.

$y(0)=-\frac{1}{3}$

$y(-1)=2$