Simple Functions RESTRICTION: You may not te the Python bult-in fanction you are itmplementing within ita own Implementation In the abeence of additional restrictions, you may use other Python bullt-in functions and methods. If given a list or sequence as input, you must not change the original list or sequence. is in() Write a function is in(char, string) that models a limited version of the behavior of the in keyword (for more detsils, refer to the Python docs). You may not use the in keyword in this function Input: a string char of a single charscter (you may limit to alpharmmeric), and a string string comprising both upper and lower csse alphanumerie and non-alphanumeric characters. Output: a boolosn, True if char is found in string otherwise False. Note: the matching behaviour to be implemented here is different to the matchinng behavlour of Python's in kaeyword

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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Simple Functions
RESTRICTION: You may not te the Python built-in hnetion you ste iemplementing witlin ita ows
Implementation. In the absence of additional restrictions, you may use other Python bullt-in funetions and
methods. If given a list or sequence as input, you must not change the original Ist or sepuence.
is in()
Write a function is in(char, string) that models a limited version of the behavtor of the in keyword (for
more detsils, refer to the Python docs). You msy not nse the in keyword in this funetio
Input: a string char of a single charscter (you may limit to alphanameric), ands string atring cutaprising
both upper and lower case alphanumerie and non-slphanumeric charucters
Output: & boolesn, True if char is found in string otherwise Falae
Note the matching behaviour to be implemented here is dilferent to the matching beharlour of Python's is
beyword
is sorted()
There is no built-in function that chicks whetber x soquenice is sorted Wate s funetio 13.3orted (seq) thst
checks whether a given sequence of sortable clements is sorted from mallest olreet
Input: s sequence seq of comperable elements.
Output: s boolesn, True if for all items in he lis the te st index te le than or oqual to the item ac
ndex 1 4 1: otherwise False
Noter Remember that a soquenco can be a list, a tring, a tupl or s runge, R this hunetion mst work for all
these types
Transcribed Image Text:Simple Functions RESTRICTION: You may not te the Python built-in hnetion you ste iemplementing witlin ita ows Implementation. In the absence of additional restrictions, you may use other Python bullt-in funetions and methods. If given a list or sequence as input, you must not change the original Ist or sepuence. is in() Write a function is in(char, string) that models a limited version of the behavtor of the in keyword (for more detsils, refer to the Python docs). You msy not nse the in keyword in this funetio Input: a string char of a single charscter (you may limit to alphanameric), ands string atring cutaprising both upper and lower case alphanumerie and non-slphanumeric charucters Output: & boolesn, True if char is found in string otherwise Falae Note the matching behaviour to be implemented here is dilferent to the matching beharlour of Python's is beyword is sorted() There is no built-in function that chicks whetber x soquenice is sorted Wate s funetio 13.3orted (seq) thst checks whether a given sequence of sortable clements is sorted from mallest olreet Input: s sequence seq of comperable elements. Output: s boolesn, True if for all items in he lis the te st index te le than or oqual to the item ac ndex 1 4 1: otherwise False Noter Remember that a soquenco can be a list, a tring, a tupl or s runge, R this hunetion mst work for all these types
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