Micro Debit

def get_percent_month(i_sum,y_percent):
    return round(i_sum*y_percent/100/12,2)
i_sum = int(input("Enter initial sum: "))
init_sum = i_sum
i_percent = float(input("Enter interest yearly: "))
i_period = int(input("Enter months: "))
for i in range(0,i_period):
    income = get_percent_month(i_sum,i_percent)
    i_sum = round(i_sum + income,2)
    print("Month "+str(i+1)+"; Sum: "+str(i_sum)+"; Month income: "+str(income))
print("Total earned: "+str(i_sum-init_sum))