Is it possible i can you go from 181 to 160 in one week if so how?

Losing 21 pounds in one week is extremely unrealistic and potentially dangerous. Safe weight loss typically averages 1-2 pounds per week through a combination of a balanced diet, regular exercise, and hydration. Rapid weight loss often results in muscle loss and dehydration, rather than fat loss. It's essential to focus on sustainable, healthy habits for long-term weight management.