class Duration: def_init (self, hours, minutes): self.hours hours self.minutes minutes def_add_ (self, other) : if not isinstance (other, Duration): return 'oops' total_hours = self.hours + other.hours total minutes = self.minutes + other.minutes if total_minutes >= 60: total_hours += 1 total minutes return Duration(total_hours, total_minutes) -= 60 one_way_time = Duration (4, 30) round_trip_time = one_way_time + one_way_time print (one_way_time + 53) print (round_trip_time.hours, round_trip_time.minutes)
class Duration: def_init (self, hours, minutes): self.hours hours self.minutes minutes def_add_ (self, other) : if not isinstance (other, Duration): return 'oops' total_hours = self.hours + other.hours total minutes = self.minutes + other.minutes if total_minutes >= 60: total_hours += 1 total minutes return Duration(total_hours, total_minutes) -= 60 one_way_time = Duration (4, 30) round_trip_time = one_way_time + one_way_time print (one_way_time + 53) print (round_trip_time.hours, round_trip_time.minutes)
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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The first image is an example which shows the right answer. I want to know the output for the second one. Using python
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