Investment_calculator1

#!/bin/python3
def get_inv():
    while True:
        inv_amount = int(input("Enter investment amount: $"))
        while inv_amount <= 0.00:
            print("Sorry,input must be a postive integer, try again")
            calculation()
        print("Investment amount: " + str(inv_amount))
        return(inv_amount)

def get_year():
    while True:
        years = int(input("Enter number of years: "))
        while years <= 0.00:
            print("Sorry input must be a positive integer, try again")
            calculation()
        print("Years: ", str(years))
        return(years)
    
def get_rate():
    while True:
        interest_rate = float(input("Enter interest rate <ex .05>: "))
        while interest_rate <= 0.00:
            print("Sorry,input must be a postive decimal, try again")
            calculation()
        print("Your investment at ", (interest_rate), "%, is: ")
        return(interest_rate)

    def calculation():
    inv_amount = get_inv()
    num_years = get_year()
    interest_rate = get_rate()

    for year in range(1, num_years + 1):
        inv_amount *= (1 + interest_rate)
        print(f"Your investment at {interest_rate*100}% after {year} years is: ${inv_amount:.2f}")
calculation()