weight = input("Enter Your Weight: ")
unit = input("L(bs) or K(g): ")
if unit == 'kg':
lb = float(weight) * 2.2046
print("Your weight in L(bs): ",lb)
elif unit == 'lb':
kg = float(weight) * 0.453592
print("Your weight in K(g): ",kg)
else:
print("invalid")
