TimeConvert.py

#!/usr/bin/env python3

import sys
from datetime import datetime
from datetime import timedelta

class Input(object):
    def _set_input(self):
        try:
            x = input('Enter minutes as an integer: ')
            i = int(x)
        except ValueError:
            print("Please enter an Integer value.")
            sys.exit(1)
        return i

    def get_input(self):
        return int(Input()._set_input())

class Time(object):
    def _calculate_time_plus_hours(self, duration):
        time = timedelta(minutes=duration)
        return time

    def calculate_from_to_time(self, duration):
        return Time()._calculate_time_plus_hours(duration)

class Output(object):
    def _display_input(self, userInput):
        print(userInput)

    def _display_time(self, userInput):
        output = Time().calculate_from_to_time(userInput)
        print(output)

    def output_all(self, userInput):
        Output()._display_input(userInput)
        Output()._display_time(userInput)

Output().output_all(Input().get_input())