print("Choose an option: ")
print(" [1] $1,000,000")
print(" [2] 0.01 x2/day")
answer = int(input("> "))
if answer == 1:
print("Here's your $1,000,000")
elif answer == 2:
initial = .1 # initial investment of a penny
final = ( initial * 2**30 ) - initial
print('A penny will be $' + format(final, '.2f'), 'in 30 days.')
else:
print(" - invalid option.. exiting")
exit(0)