Os Os [131] #@title Interval difference class Interval: def __init__(self, start, end): self.start = start self.end = end def _ repr_(self): return f'Interval({self.start}, {self.end})' def interval_sub (self, other): result = [] if self.start < other.start: result.append(Interval(self.start, min(self.end, other.start))) if self.end > other.end: result.append(Interval (max (other.end, self.start), self.end)) return result """Subtracts from this interval the interval other, returning a possibly empty list of intervals.""" ### YOUR SOLUTION HERE Interval._sub_ = interval_sub # Tests 10 points. assert Interval(4, 6) - Interval(5, 8) == [Interval(4, 5)] [T] assert Interval(0, 10) Interval(4, 5) == [Interval(0, 4), Interval(5, 10)] AssertionError Traceback (most recent call last) in () 1 #23 Tests 10 points. 2 ----> 3 assert Interval(4, 6) 4 assert Interval(0, 10) - Interval (5, 8) == [Interval(4, 5)] Interval(4, 5) [Interval(0, 4), Interval(5, 10)]
Os Os [131] #@title Interval difference class Interval: def __init__(self, start, end): self.start = start self.end = end def _ repr_(self): return f'Interval({self.start}, {self.end})' def interval_sub (self, other): result = [] if self.start < other.start: result.append(Interval(self.start, min(self.end, other.start))) if self.end > other.end: result.append(Interval (max (other.end, self.start), self.end)) return result """Subtracts from this interval the interval other, returning a possibly empty list of intervals.""" ### YOUR SOLUTION HERE Interval._sub_ = interval_sub # Tests 10 points. assert Interval(4, 6) - Interval(5, 8) == [Interval(4, 5)] [T] assert Interval(0, 10) Interval(4, 5) == [Interval(0, 4), Interval(5, 10)] AssertionError Traceback (most recent call last) in () 1 #23 Tests 10 points. 2 ----> 3 assert Interval(4, 6) 4 assert Interval(0, 10) - Interval (5, 8) == [Interval(4, 5)] Interval(4, 5) [Interval(0, 4), Interval(5, 10)]
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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