Let f be a function that takes some natural number n, and adds the value that n takes when its digits are reversed. For example, for n = 178 we have: f(178) = 178 +871 = 1049 Python If we keep iterating this value, we get: f(1049) = 1049 + 9401 = 10450 f(10450) = 10450 + 05401 = 15851 Notice that for the starting value n= 178 , we eventually got a palindromic number 15851 (i.e. a value that reads the same backward as forwards). Write a function lychrel (n) that accepts any natural number n, and returns a list of iterates [n,f(n),...] of n under the function f that only terminates as soon as it reaches a palindromic value.
Let f be a function that takes some natural number n, and adds the value that n takes when its digits are reversed. For example, for n = 178 we have: f(178) = 178 +871 = 1049 Python If we keep iterating this value, we get: f(1049) = 1049 + 9401 = 10450 f(10450) = 10450 + 05401 = 15851 Notice that for the starting value n= 178 , we eventually got a palindromic number 15851 (i.e. a value that reads the same backward as forwards). Write a function lychrel (n) that accepts any natural number n, and returns a list of iterates [n,f(n),...] of n under the function f that only terminates as soon as it reaches a palindromic value.
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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![Let f be a function that takes some natural number n, and adds the value that n takes when its digits are reversed. For example, for
n = 178 we have:
f(178) = 178 + 871 = 1049
Python
If we keep iterating this value, we get:
f(1049) = 1049 + 9401 = 10450
f(10450) = 10450 + 05401 = 15851
Notice that for the starting value n = 178, we eventually got a palindromic number 15851 (i.e. a value that reads the same backward as
forwards).
Write a function lychrel (n) that accepts any natural number n, and returns a list of iterates [n,f(n),...] of n under the function f that
only terminates as soon as it reaches a palindromic value.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F39e9a49c-4241-424d-848f-329c9c7c266b%2Fc22653dd-cb3a-470f-8fb6-7ed2e6220f0a%2Fmjf59c_processed.png&w=3840&q=75)
Transcribed Image Text:Let f be a function that takes some natural number n, and adds the value that n takes when its digits are reversed. For example, for
n = 178 we have:
f(178) = 178 + 871 = 1049
Python
If we keep iterating this value, we get:
f(1049) = 1049 + 9401 = 10450
f(10450) = 10450 + 05401 = 15851
Notice that for the starting value n = 178, we eventually got a palindromic number 15851 (i.e. a value that reads the same backward as
forwards).
Write a function lychrel (n) that accepts any natural number n, and returns a list of iterates [n,f(n),...] of n under the function f that
only terminates as soon as it reaches a palindromic value.
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