$(01)$ Use Euler's method to approximate the solutions for each of the following initial value problems.

a$.y^{\text{'}}=ty,$ for $1t1\mathrm{.}04$ with $y(1)=1$ and $h=0\mathrm{.}01$

b$.y^{\text{'}}=y^2-\frac{y}{t},$ for $1t1\mathrm{.}6$ with $y(1)=1$ and $h=0\mathrm{.}1$