Using exceptions, you can manage errors and bugs and stop programs from crashing.
What is exceptions in programme?An object that shows something went wrong is an exception. A way to fix the problem should be offered by the exception object, or at the very least it should explain what went wrong.
Typically, the exception object will include a "stack trace," which aids in retracing your steps through your program to hopefully identify the precise point where something went wrong.
Checked exceptions and runtime exceptions are differentiators in some programming languages, like Java. As checked exceptions are checked at compile time, failing to provide an exception handler or passing the buck will prevent your program from compiling.
The Java program that uses comments to clarify each line is as follows:
import java.util.Scanner;
public class badsubscriptcaught{
public static void main(String[] args) {
//This creates a scanner object
Scanner input = new Scanner(System.in);
//This gets input for the index to print
int arrayIndex = input.nextInt();
//This initializes the array.
//Note that, the names can be replaced
String[] nameArray = {"Liam", "Olivia" , "Noah", "Emma", "Oliver","Ava","Elijah","Charlotte","Michael","David"};
//This creates a try-catch exception
try{
//This prints the array element at the corresponding index, if the index is between 0 and 9
System.out.println(nameArray[arrayIndex]);
}
//This catches the exception
catch (ArrayIndexOutOfBoundsException exception){
//This prints the exception
System.out.println(exception);
}
}
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If Karel is facing North and the code turnLeft(); turnLeft();runs, which direction is Karel facing now?answer choicesNorthSouthEastWest
Karel is now facing East, when the code turnLeft(); turnLeft();runs.
What is the importance of code?
Coding, in its most basic form, is the process of giving instructions to a computer by typing commands that must be carried out sequentially. Our digital universe runs on code. Education to code has been compared to studying a foreign language, or perhaps a family of foreign languages.
As a result, coders serve as the digital age's architects and constructors. Every website, mobile application, computer software, calculator, and even microwave depends on code to function.
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Answer:
South
Explanation:
Imagine the compass rose, with north at the top (and going clockwise) east, south, and west. If he starts facing east and turns left, he will be faceing north. If he turns left again, he will be facing west, and if he turns left a thrid time, he will be facing south.
So, the answer is south.
Also I took the test, south is the correct answer
the community garden grand opening was a success. in addition to the 55 donors food justice rock springs invited, 20 other prospects attended the event. now, tayen wants to know more about the donations that came in from new prospects compared to the original donors. which sql query can be used to calculate the percentage of contributions from prospects?
SELECT
(SUM(CASE WHEN donor_type = 'prospect' THEN contribution END) /
SUM(CASE WHEN donor_type = 'donor' THEN contribution END)) * 100 AS pct_from_prospects
FROM donations;
How this query works?This query uses a CASE statement to sum up the total contributions from donors and prospects separately, and then divides the total contributions from prospects by the total contributions from donors to compute the percentage of contributions from prospects.
The resulting percentage is then aliased as pct_from_prospects so that it can be easily accessed in the final result set.
You can modify this query to calculate the percentage of contributions from other groups, or to include additional criteria in the calculation, as needed. For example, you could filter the donations based on the date of the event or include additional columns in the result set.
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A data analyst uses the sum function to add together numbers from a spreadsheet. However, after getting a zero result, they realize the numbers are actually text. What function can they use to convert the text to a numeric value?.
Since the data analyst uses the sum function to add together numbers from a spreadsheet. The function that can be use to convert the text to a numeric value is VALUE.
What in Excel is the value function?A text string that represents a number is changed into a number. Excel's VALUE function calculates the value of text that represents a number. $5, for instance, is a textual representation of a number. The result of applying the VALUE formula to this data is 5, so. So, it is clear how this function allows us to obtain the numerical value that is represented in Excel by text.
Hence, A controlled dynamical system's value function, when started at the time-t state variable x(t)=x, represents the system's optimal payoff over the interval [t, t1].
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28.1. why is it that software organizations often struggle when they embark on an effort to improve local software process
Software organization often struggles when they embark on an effort to improve local software process because they have little more than ad hoc.
What is a software organization?An organizational tool is a program or app designed to improve your daily task performance. You may come across a variety of tools, such as project management software, note-taking systems, notebooks, and day planners.
Therefore, because they have little more than ad hoc resources, software organizations frequently suffer when attempting to improve local software processes.
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the form that was created to prevent fraud, where a hacker provides a new routing number for the transfer of funds and then highjacks those funds, is called the:
The form that was created to prevent fraud, where a hacker provides a new routing number for the transfer of funds and then highjacks those funds, is called the: Wire Fraud and Electronic Funds Transfer Advisory (WFA).
What is a skimming fraud?A skimming fraud can be defined as a type of fraud that involves a criminal (hacker) illegally capturing the credit card information of a cardholder without the holder's knowledge, so as to perform unauthorized transactions with it in the future.
Under the fraud triangle, there are three (3) main elements that helps any accounting fraud to occur and these include the following:
IncentiveOpportunityRationalizationIn Cyber security, Wire Fraud and Electronic Funds Transfer Advisory (WFA) is a form (document) that was designed and developed to prevent wire fraud in an escrow, thereby, protecting consumer's funds from a hacker.
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________ is the smallest short-range wireless network that is designed to be embedded in mobile devices such as cell phones and credit cards as a payment system, such as mobile wallets.
Near-field communications (NFC) is the smallest short-range wireless network, such as mobile wallets, is meant to be incorporated in mobile devices such as cell phones and credit cards as a payment system.
What is the Near-field communications (NFC)?Near-field communication is defined as a collection of communication protocols that allows two electronic devices to communicate across a distance of 4 cm or less.
NFC provides a low-speed connection via a simple setup that may be utilized to launch more sophisticated wireless connections. It is the smallest short-range wireless network.
Therefore, it is Near-field communications (NFC).
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does this record contain a certificate? what is the certificate length? what is the frame length? does the certificate fit into a single ethernet frame? include screenshots to show them.
There is no certificate, it is in another record. It does fit into a single Ethernet frame.
What is a Ethernet frame?
The Ethernet frame is primarily responsible for the correct rulemaking and successful transmission of data packets when transmitting data over Ethernet. The frame essentially transports data sent over Ethernet. Depending on the size of the data to be transported, an Ethernet frame can range from 64 bytes to 1,518 bytes.
Devices in an Ethernet network share data via packets. They include the Ethernet frame, which is divided into several data sets, among other things. These records are made up of binary code that contains vital information like addresses, control information, payload data, and checksums.
Ethernet frames are structured differently depending on the Ethernet standard and may contain more or fewer data fields depending on the network protocol.
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Ciphers, such as the syctale cipher, that just change the order of the letters are know as ______________.
Ciphers, such as the scytale cipher, that just change the order of the letters are know as transposition cipher.
A transposition cipher in cryptography is a type of encryption that scrambles the locations of characters without altering the characters themselves. Transposition ciphers produce a ciphertext that is a permutation of the plaintext by rearranging the components of the plaintext (usually characters or groups of characters) in accordance with a regular method. They are distinct from substitution ciphers, which alter the actual plaintext units rather than only their positions. Although transposition and substitution processes differ from one another, they are frequently combined, as in old-fashioned ciphers like the ADFGVX cipher or sophisticated high-quality encryption techniques like the contemporary Advanced Encryption Standard (AES).
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which interface uses usb or a low-speed, serial connection through a roll-over cable, to manage network devices?
Console ports are an interface for controlling network devices that connects via USB or a slow, serial connection over a roll-over cable.
What is a USB?
USB was created to standardize the connection of peripherals to desktop computers, allowing for power and communication. On a variety of devices, it has largely taken the place of interfaces like serial ports and parallel ports. The Universal Serial Bus (USB) is an industrial standard that specifies cables, connections, and protocols for interfacing (connecting, communicating, and providing power to) computers, peripherals, and other computers. There are 14 different connection types for USB gear, with USB-C being the newest and only one that isn't currently deprecated.
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What can happen when a dictionary is used without knowing how do you use one?.
Learning to use the dictionary promotes lifelong learning habits. It teaches students the basics for using a thesaurus, encyclopedia, periodical, writing style guide, recipe book and more. The dictionary lists words alphabetically and groups them together using guide words.
d) is the following a walk in the graph? is it a trail? is it a path? is it a circuit? is it a cycle? please answer all the questions for each of the following.i) ii) iii)
The following a walk in the graph is a cycle.A closed path is a cycle.
These cannot have any repetitions.
A cycle can only be created by traversing a graph in such a way that neither a vertex nor an edge are repeated, but rather the starting and ending vertex must match. Only multi-graphs require the listing of edges. A trail is a path without a constant edge. A walk with only one unique vertex is called a path. With the first vertex being u and the last vertex being v, a u, v-walk, u, v-trail, u, v-path is a walk, trail, and path, respectively. If u = v, both the u, v-walk and the u, v-trail are closed. A path is described in graph theory as an open walk in the graph which neither vertices may repeat. There is no repeating of edges.
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the decentralized nature of blockchain technology offers more comprehensive security for digital information than almost any other storage medium.
A blockchain is protected by advanced encryption to protect each transaction and exchange that occurs on the platform that's why it offers more comprehensive security for digital information than almost any other storage medium.
What is Blockchain?
A blockchain is a distributed database or ledger that is shared among computer network nodes. A blockchain, like a database, stores information electronically in digital format.
Blockchains are best known for their critical role in cryptocurrency systems like Bitcoin, where they keep a secure and decentralised record of transactions. The blockchain's innovation is that it ensures the fidelity and security of a data record and generates trust without the need for a trusted third party.
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according to the theoretical view, the visual system perceives meaningful information directly, without any intermediate steps to interpret it
Theoretically, the ecological visual system receives relevant information without the need for any intermediate steps of interpretation.
What does interpreting mean?
According to Webster's dictionary, the fundamental definition of interpretation is the "activity of explaining the meaning about something; the manner something is described or understood." The notion of interpretation in terms of language should be expanded to include converting a spoken or signed communication into another or spoken signed language while maintaining the register and sense of the material in the source language. It is the exchange of spoken or sign language between speakers of several languages. Not only must a language interpreter and sign language interpreter rapidly and accurately translate meaning.
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Complete the function FindLastIndex() that takes one string parameter and one character parameter. The function returns the index of the last character in the string that is not equal to the character parameter. If no such character is found, the function returns -1.
Ex: If the input is tbbdn b, then the output is:
4
#include
using namespace std;
int FindLastIndex(string inputString, char x) {
/* Your code goes here */
}
int main() {
string inString;
char x;
int result;
cin >> inString;
cin >> x;
result = FindLastIndex(inString, x);
cout << result << endl;
return 0;
}
Using the codes in computational language in C++ it is possible to write a code that complete the function FindLastIndex() that takes one string parameter and one character parameter.
Writting the code:#include <iostream>
using namespace std;
int FindLastIndex(string inputString, char x)
{
// running a for loop that iterates the inputString from the last index and comes down to the 0th index. We are iterating from the last index because we want to find the last character such that it is not equal to x. So iterating the string from last makes more sense because we will find the value faster as compared to searching from the front to get that last value.
for (int i = inputString.length() - 1; i >= 0; i--) {
// if current character not equals the character x then return the index
if (inputString[i] != x) {
return i;
}
}
// if the above loop didn't return an index, then all the characters are same in the string, hence return -1
return -1;
}
int main()
{
string inString;
char x;
int result;
cin >> inString;
cin >> x;
result = FindLastIndex(inString, x);
cout << result << endl;
return 0;
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In DevOps and container orchestration, non-hardware items such as the operating system and libraries and security policies are documented within the orchestration tool, implemented into the desired environment, and are called what?
Infrastructure as code
In DevOps as well as container orchestration, non hardware items such as operating system and libraries or security policies are well documented within the orchestration tool, implemented in the desired environment and thus are called a development environment.
What is DevOps?
DevOps is the set of cultural philosophy, practices and tools that improves a organization's ability of delivering applications and services at the high velocity: evolving and improving all products at a faster rate than the traditional software development process and in the infrastructure management process. This speed also allows organizations to better serve their customers and users and compete well in the market.
How DevOps Works?
In a DevOps model, development and operations teams are no longer "silos". These are the two teams that occasionally merge to form a single team in which each engineer works across the entire application lifecycle, from development and testing to deployment and operations, and develops a more diverse set of skills that are not limited to a single function.
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Define a constructor as indicated. Sample output for below program:
Year: 0, VIN: -1Year: 2009, VIN: 444555666
Using C++ language
In C++, a constructor is a special 'MEMBER FUNCTION' with the same name as its class that is used to initialize some valid values to an object's data members. It is run automatically whenever a class object is created.
What is Constructor?
In C++, a constructor is a special method that is called automatically when an object is created. In general, it is used to initialize the data members of new objects. In C++, the constructor has the same name as the class or structure. Constructor is always called when an object is created. It constructs the values, i.e. provides data for the object, hence the name constructors.
Because constructors do not have a return value, they do not have a return type.
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you are hired as a network administrator to monitor an organization's network status on an ongoing basis and to make changes to best meet the needs of your network's users. one feedback that you have received from the network engineer of the firm is that one of the modems is repeatedly power cycling to reset network activity. which of the following kpis will help you in getting a better understanding of the situation?
In order to identify port conflicts, the Netstat.exe program offers a switch that can show the process identification (PID) that is connected to each connection.
The Internet is referred to as a network of networks since it is a global network of computers that can communicate with one another thanks to telephone and cable connections. We can send and receive files using the straightforward transfer technique known as TFTP (Trivial File Transfer Protocol). Because authentication and data encryption are not possible, TFTP is utilized when the file's dependability is known, and no security is needed when sending or receiving the file. we should use a Cat 7 to complete this operation because it is compliant with the TIA/EIA 568 standard for twisted-pair cables.
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one of the one-way functions used in public key cryptography is integer multiplication/factorization. multiplying two integers is easy, but factoring is hard. the number 2081941 is the product of two primes.
What is the smaller of the two primes?
What is the largest of the two primes?
Here Smaller of the two primes is 1039 and Larger of the two primes is 1433 when one of the one-way functions used in public key cryptography is integer multiplication/factorization.
What is Cryptography?
Cryptography is a method of protecting information and communications by using codes and encryption to ensure that only those who are intended to read and process the information can do so.
Cryptography is a term used in computer science to describe secure information and communication techniques that use mathematical concepts and a set of rule-based calculations known as algorithms to transform messages in difficult-to-decipher ways. These deterministic algorithms are used for cryptographic key generation, digital signing, data privacy protection, internet browsing, and confidential communications like credit card transactions and email.
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given a merge-sorting algorithm being implemented and runs on a six-processor parallel computer system, describe the corresponding analytical time complexity
On a parallel computer system with six processors, a merge-sorting method has an analytical time complexity of O(n log n).
Describe merge sort.
A sorting algorithm called merge sort employs the divide and conquer method. A list of items is broken down into smaller sublists, and then those sublists are sorted and merged back together to create a single sorted list. A recursive algorithm is used by the "Merge Sort" to produce its results. The divide-and-conquer algorithm divides a large problem into more manageable, smaller chunks that yet resemble the original problem. The main problem is subsequently resolved by recursively resolving these subproblems and combining their solutions.
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An object-based DO/S provides process management through the use of client/server processes synchronized and linked together through messages and ports, also known as channels or pipes. (t/f)
False
In essence, a process is a program in action. A process's execution ought to proceed sequentially. An entity that addresses the crucial unit of work to be carried out in the system is referred to as a process.
What distributed operating system in process management?A fundamental kind of operating system is a distributed operating system (DOS). To support numerous real-time applications and users, distributed systems employ numerous central processors.
Therefore, Jobs for data processing are therefore divided among the processors. Through a single communication channel, it links various computers.
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Savannah manages multiple wireless networks within her company's warehouse to ensure that certain devices are isolated and segmented off from each other. A junior technician has just added a new device to the network but cannot seem to get it to communicate with the other devices. Which of the following is the most likely reason that it cannot communicate with these devices?
a. RF attenuation b. improper antenna placement c. incorrect SSID d. encryption protocol mismatch
The most likely reason that the new device cannot communicate with the other devices is (Option C) an incorrect SSID. This is because the SSID is the name of the wireless network, and if the new device is using a different SSID than the other devices, then it won't be able to communicate with them.
Which is the most likely reason that it cannot communicate with these devices?C. Incorrect SSIDSavannah is responsible for managing multiple wireless networks within her company's warehouse to ensure that certain devices are isolated and segmented off from each other. Recently, a junior technician has added a new device to the network, but has been unable to get it to communicate with the other devices. The most likely reason for this lack of communication is an incorrect SSID, or Service Set Identifier.
An SSID is a unique identifier that is used to identify and differentiate a particular wireless network from other networks. Each device on the network must be configured with the same SSID as the other devices in order to be able to communicate with them. If the SSID of the new device is not set correctly, it will not be able to communicate with the other devices on the network.
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approximately how much bandwidth does a unicast audio flow use? (4-ch, 24-bit, 48khz, 1msec latency).
Approximately 6Mbps bandwidth a Unicast audio flow uses, (with the provided information i.e. 4-ch, 24-bit, 48khz, 1 msec latency).
Unicast flows are point-to-point flows from a single transmitter to a single receiver. Unicast flows typically contain up to 4 channels of audio or 1 channel of video. Each channel of Unicast flows can vary between 4 and 64 according to the latency setting of the device. Bandwidth usage of a typical Unicast audio flow is about 6 Mbps.
Unicast audio flow is a better option for over-the-top (OTT) delivery to public viewers it is because it provides a more personalized experience.
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During a recent penetration test, it was discovered that your company's wireless network can be reached from the parking lot. The Chief Security Officer has submitted a change request to your network engineering team to solve this issue because he wants to ensure that the wireless network is only accessible from within the building. Based on these requirements, which of the following settings should be changed to ensure the wireless signal doesn't extend beyond the interior of your building while maintaining a high level of availability to your users?Options are :Power levelChannelFrequencyEncryption
The wireless signal doesn't extend beyond the interior of your building while maintaining a high level of availability to your users Power level.
For wireless signal network access, WPA2 permits the use of a preshared key. anti-malware network-based. By monitoring all traffic to and from a dispersed target platform, the network-based anti-malware can keep the system secure. A modulator-demodulator, often known as a modem, is a piece of hardware used in computers that changes data from one format to another so that it may be transmitted over an analog media, such the phone or radio. Another recommended method for securing wireless networks is to use a VPN. It is more challenging for someone to eavesdrop on a connection while using a VPN since it encrypts all communication between a device and the VPN server. Information that is exchanged between wireless routers and wireless devices is encrypted using Wi-Fi Protected Access (WPA), WPA2, and WPA3. Firewalls, antivirus, and antispyware programs are all crucial tools for preventing assaults on your laptop.
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in addition to algol, what was the other early programming language used by aerospace engineering on mainframe computers?
In addition to algol, what was the other early programming language used by aerospace engineering on mainframe computers is FORTRAN.
What is Fortran?FORTRAN was created for scientists and engineers and has since dominated this field. For the past 30 years, FORTRAN has been used for projects such as bridge and aeroplane structural design, factory automation control, storm drainage design, scientific data analysis, and so on.
Therefore, aside from algol, another early programming language utilised by aerospace engineers on mainframe computers was FORTRAN.
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In addition to information about disciplinary and enforcement action taken against a mortgage loan originator, the NMLS may also make available for public access: A mortgage loan originator's home address.
False.
A mortgage loan originator's home address, the number of loans originated by a loan originator and former clients of the mortgage loan originator are not for public access.
Information by NMLS for public access:
Information or material held by the NMLS (Nationwide Multistate Licensing System and Registry) relating to the employment history and/or disciplinary and enforcement actions taken against a mortgage loan originator is not protected by confidentiality laws. Information/material of the mortgage loan originator's employment history is available for public access.
A state licensing agency granting someone a license to act as a mortgage loan originator. Subsequent to the granting of the license, the agency received a supplemental criminal history report which indicated that he/she had been convicted of a money laundering charge in another state. Then the state licensing agency may enter a temporary order requiring a person to cease doing business under a license if it determines that the license was erroneously issued.
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which is used to create databases that have more complicated types of data, such as images, audio, and video
Answer:
NoSQL
Explanation:
Sonja is a network engineer and has just installed a new device that she wants to manage through the network management station. Which of the following might best describe the database file provided by the vendor that she needs to load into the NMS in order to manage this device on the network with SNMP?
a. OID b. TRAP c. TTF d. MIB
The option that might best describe the database file provided by the vendor that she needs to load into the NMS in order to manage this device on the network with SNMP is option a. OID.
What purpose do database files serve?Data records or files containing information, including as sales transactions, customer information, financial data, and product information, are often aggregated and stored in computer databases. Any type of data can be stored, maintained, and accessed using databases.
Hence, A string of decimal integers called an object identifier (OID) uniquely identifies an object. These things are usually an attribute or an object class. You can supply the object class or attribute name added with -oid if you don't have an OID.
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for the following two questions, consider a system in which you have an unknown function, but you know that it has two discrete data points (-1,1) and (2,7).
y-intercept of the interpolation line is 3
Solution:
Given data points (-1,1) and (2,7)
x₁ = -1, y₁ = 1, x₂ = 2, y₂ = 7
Slope m = [tex]\frac{y_{2}-y_{1} }{x_{2} -x_{1} }[/tex] = [tex]\frac{7-1}{2-(-1)}[/tex] = 2
To find Y-intercept of the line, we use the formula y = mx + c
Let y = 7 and x = 2,
7 = 2 * 2 + c
7 - 4 = c
c = 3
y-intercept of the interpolation line would be 3
How to find slope of the line?
Pick two points on the line and determine their coordinates.Determine the difference in y-coordinates of these two points (vertical).Determine the difference in x-coordinates for these two points (horizontal).Divide the difference in y-coordinates by the difference in x-coordinates (rise/run or slope).To know more about about slope of line, check out:
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write the following function that returns true if the list is already sorted in increasing order: def issorted(lst): write a main function that prompts the user to enter a list and displays whether the list is sorted or not. here are sample runs: enter numbers: 1 1 3 4 4 5 7 9 10 30 11 the list is not sorted enter numbers: 1 1 3 4 4 5 7 9 10 30 the list is already sorted
The function 'issorted(lst)' is written below in Python that checks if numbers in a list are arranged in increasing order or not and displays the result accordingly.
inputList = input('Enter list: ').strip()
def issorted(lst):
if len(lst) < 2:
return True
current = 1
prev = 0
while current < len(lst):
if int(lst[current]) < int(lst[prev]):
return False
prev = current
current += 1
return True
inputList = inputList.split(' ')
if issorted(inputList):
print("The list is already sorted")
else:
print("The list is not sorted")
The program with its output is attached below.
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TRUE/FALSE. when using the histogram function in data analysis in excel. the frequency reflects the count of values that are greater than the previous bin and the bin number to the left of the frequency.
Answer:
True
Explanation:
I thinj its true but im 70% sure mate.
Thank me Later if im right.
Tadano
