interest-cal.py

import datetime
import os


def main():
    x = int(input('Number of deposit: '))
    total = 0
    info = list()
    for x in range(0, x):
        os.system('cls' if os.name=='nt' else 'clear')
        money = float(input('Deposit: '))
        rate = float(input('Rate: '))
        date = input('Start date(dd-mm-yyyyy): ')
        datecache = datetime.datetime.now()
        datenow = datecache.strftime("%d-%m-%Y")
        month = (int(datenow[(len(datenow) - 4):]) * 12 + int(datenow[(len(datenow) - 7):(len(datenow) - 5)])) - (int(date[(len(date) - 4):]) * 12 + int(date[(len(date) - 7):(len(date) - 5)]))
        if int(datenow[0:2]) < int(date[0:2]):
            month -= 1
        interest = (((money * rate) / 100) / 12) * month
        dict_info = {'Deposit': money,
                    'Rate': rate,
                    'Startdate': date,
                    'Period': month,
                    'Interest': interest,
                    'Total': money + interest
        }
        info.append(dict_info)
        total += (money + interest)
    os.system('cls' if os.name=='nt' else 'clear')
    for x in range(0,len(info)):
        print('Deposit: ' + str(info[x]['Deposit']))
        print('Rate: ' + str(info[x]['Rate']) + '%')
        print('Startdate: ' + str(info[x]['Startdate']))
        print('Period: ' + str(info[x]['Period']) + ' month')
        print('Interest: ' + str(info[x]['Interest']))
        print('Total: ' + str(info[x]['Total']))
        print('-------------------------------')
    print("All total: " + str(total))
    print("Today: " + datecache.strftime("%d-%m-%Y"))



if __name__ == '__main__':
    main()