Im 20 Years Old.I Have A 4 Year Old Daugther!?

I'm a single Mother Of a 4 year old baby girl! I haven't been able to loose the bby fat after I had her. I want to loose weight and start eating healthier. Can u guyz give me advice on what to do and what work out is best for me?? I'm 150 on weight and my height is 5'3. Help please?? No Rude Comments!!