A list is sorted in ascending order if it is empty or each item except the last one is less than or equal to its successor. Define a predicate isSorted that expects a list as an argument and returns True if the list is sorted, or returns False otherwise. (Hint: For a list of length 2 or greater, loop through the list and compare pairs of items, from left to right, and return False if the first item in a pair is greater.)

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
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A list is sorted in ascending order if it is empty or each item except the last
one is less than or equal to its successor. Define a predicate isSorted
that expects a list as an argument and returns True if the list is sorted, or
returns False otherwise.
(Hint: For a list of length 2 or greater, loop through the list and compare
pairs of items, from left to right, and return False if the first item in a pair is
greater.)
Below is an example of a main function and the associated output:
def main():
lyst =
print(isSorted(lyst))
lyst = [1]
print(isSorted(lyst))
lyst = list(range(10))
print(isSorted(lyst))
lyst[9] = 3
print(isSorted(lyst))
%3D
True
True
True
False
Transcribed Image Text:A list is sorted in ascending order if it is empty or each item except the last one is less than or equal to its successor. Define a predicate isSorted that expects a list as an argument and returns True if the list is sorted, or returns False otherwise. (Hint: For a list of length 2 or greater, loop through the list and compare pairs of items, from left to right, and return False if the first item in a pair is greater.) Below is an example of a main function and the associated output: def main(): lyst = print(isSorted(lyst)) lyst = [1] print(isSorted(lyst)) lyst = list(range(10)) print(isSorted(lyst)) lyst[9] = 3 print(isSorted(lyst)) %3D True True True False
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