Work outs for new moms to shead weight?

I say new mom my babys 6 months old and plays in her walker for 1 hr a day and another hr in her jumper she loves them so i have 2 hr to work with i gained 20lb with pregnancy and after i had her i was given steroids for a back injury so i still have that 20 plus what I've gained from my birth control.
Work outs for new moms to shead weight?
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