How to loss WEIGHT!??

How can I loss weight ?

I use to be 135lbs before pregnancy.

Well now I’m still at 196lbs after pregnancy , Baby is 4 months old, Also I’m breastfeeding🤱.

I just can’t loss weight 😭

With my first after pregnancy, I went from 200lbs to 135lbs (every month lost 6-8lbs) first baby was formula feed.

So any tips to help me out?