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fix: correct compound interest loop so interest compounds each year #566

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fix: correct compound interest loop so interest compounds each year #566

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11 changes: 4 additions & 7 deletions Calculate Compound Interest/calculateCompoundInterest.py
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Original file line number Diff line number Diff line change
Expand Up @@ -4,20 +4,17 @@
print('How much money is currently in your account?')
principal = float(input('Enter current amount in account: '))

print ('How much money do you plan on investin monthly?')
print ('How much money do you plan on investing monthly?')
monthly_invest = float(input('Enter amount: '))

print ('What do you estimate will be the yearly interest of this investment?')
interest = float(input ('Enter interest in decimal numbers (10% = 0.1): '))
print(' ' )

monthly_invest = monthly_invest * 12
final_amount = 0
final_amount = principal

for i in range(0, years):
if final_amount == 0:
final_amount = principal
final_amount = (final_amount + monthly_invest) * (1 + interest)

final_amount = (final_amount + monthly_invest) * (1 + interest)

print("This is how much money you would have in your account after {} years: ".format (years) + str(final_amount))
print("This is how much money you would have in your account after {} years: ".format(years) + str(round(final_amount, 2)))