Problem: Prime Number Generator
Write a Python function that generates prime numbers up to a given limit. The function should take a single parameter limit, which represents the maximum value of the prime numbers to be generated. The function should return a list of all prime numbers up to the limit.
A prime number is a positive integer greater than 1 that has no positive divisors other than 1 and itself. For example, the first few prime numbers are 2, 3, 5, 7, 11, and so on.
Your task is to implement the generate_primes(limit) function that returns a list of all prime numbers up to the given limit.
Example usage:
"""
primes = generate_primes(20)
print(primes)
"""
Output:
"""
[2, 3, 5, 7, 11, 13, 17, 19]
"""
Note:
You can assume that the limit parameter will be a positive integer greater than 1.
Your implementation should use an efficient algorithm to generate prime numbers.
Answers
```python
def generate_primes(limit):
# Create a boolean array "is_prime[0..limit]" and initialize
# all entries as true. A value in is_prime[i] will finally be
# false if i is Not a prime, else true.
is_prime = [True] * (limit + 1)
# 0 and 1 are not prime
is_prime[0] = is_prime[1] = False
# Iterate over the numbers from 2 to sqrt(limit)
for i in range(2, int(limit**0.5) + 1):
if is_prime[i]:
# Mark all multiples of i as composite numbers
for j in range(i**2, limit + 1, i):
is_prime[j] = False
# Generate the list of prime numbers
primes = [i for i in range(2, limit + 1) if is_prime[i]]
return primes
```
The function first initializes a boolean array `is_prime` of size `limit + 1` with all entries set to `True`, except for the first two entries which represent 0 and 1, which are not prime. Then, the function iterates over the numbers from 2 to the square root of `limit`, checking ifeach number is prime and marking its multiples as composite numbers in the `is_prime` array. Finally, the function generates a list of prime numbers based on the `is_prime` array and returns it.
To use the function, simply call it with a limit value and assign the returned list of primes to a variable, like this:
```python
primes = generate_primes(20)
print(primes)
```
This will generate a list of all prime numbers up to 20 and print it:
```
[2, 3, 5, 7, 11, 13, 17, 19]
```
Related Questions
question 3 which of the following actions might occur when transforming data? select all that apply.
Answers
Recognize relationship in your data.
Make calculations based on your data.
Identify a pattern in your data.
The process of changing the format, structure, or values of data is known as data transformation. Data can be transformed at two stages of the data pipeline in data analytics projects. On-premises data warehouses are typically used in an ETL (extract, transform, load) process, with data transformation serving as the middle step. Most businesses now use cloud-based data warehouses, which can scale compute and storage resources in seconds or minutes. The cloud platform's scalability allows organisations to skip preload transformations and load raw data into the data warehouse, then transform it at query time — a model known as ELT ( extract, load, transform).
Data transformation may be used in processes such as data integration, data migration, data warehousing, and data wrangling.
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Which statement is written correctly?
Answers
Answer:
B.
Explanation:
In Javascript, the if should have a condition attached to it with parenthesis and curly braces.
Using the PDF handout provide you will identify the seven functions of marketing and provide
examples of each function of marketing.
Explain how each core function works together to help us carry out the
marketing concept. You will be evaluated on your ability to accurately identify all seven functions, explain each function and provide examples (at least two) of each.
Answers
The Explanation of how each core function works together to help us carry out the marketing concept is given below.
How do marketing functions work together?The marketing function is known to be used in regards to selling and it is one that helps businesses to achieve a lot.
The six marketing functions are:
Product/service management, Marketing-information management, Pricing, Distribution, Promotion, selling.The functions are known to often work together to be able to obtain products from producers down to the consumers.
Hence, each of the marketing functions is known to be one that need to be done on its own, but they are said to be very effective, if the said functions work together as a team.
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how i can learn php programming efficiently ?
Answers
Answer:
On yb there are many tutorials to learn php. Its worked for me.
In the RSA system, the receiver does as follows:1. Randomly select two large prime numbers p and q, which always must bekept secret.2. Select an integer number E, known as the public exponent, such that (p 1)and E have no common divisors, and (q 1) and E have no commondivisors.3. Determine the private exponent, D, such that (ED 1) is exactly divisible byboth (p 1) and (q 1). In other words, given E, we choose D such that theinteger remainder when ED is divided by (p 1)(q 1) is 1.4. Determine the product n = pq, known as public modulus.5. Release publicly the public key, which is the pair of numbers n and E, K =(n, E). Keep secret the private key, K = (n, D).The above events are mentioned in the correct order as they are performed whilewriting the algorithm.Select one:TrueFalse
Answers
Answer:
False.
Explanation:
The correct option is false that is to say the arrangement is not true. So, let us check one or two things about the RSA System.
The RSA system simply refer to as a cryptosystem that was first established in the year 1973 but was later developed in the year 1977 by Ron Rivest, Adi Shamir and Leonard Adleman.
The main use of the RSA system is for encryption of messages. It is known as a public key cryptography algorithm.
The way the algorithm should have been arranged is;
(1). Randomly select two large prime numbers p and q, which always must bekept secret.
(2). Determine the product n = pq, known as public modulus.
(3). Select an integer number E, known as the public exponent, such that (p 1)and E have no common divisors, and (q 1) and E have no commondivisors.
(4). Determine the private exponent, D, such that (ED 1) is exactly divisible by both (p 1) and (q 1). In other words, given E, we choose D such that the integer remainder when ED is divided by (p1)(q 1) is 1.
(5). Release publicly the public key, which is the pair of numbers n and E, K =(n, E). Keep secret the private key, K = (n, D).
Therefore, The way it should have been arranged in the question should have been;
(1) , (4), (2), (3 ) and ( 5).
Compress
00eb:0000:0000:0000:d8c1:0946:0272:879
IPV6 Address
Answers
Answer:
Compress
00eb:0000:0000:0000:d8c1:0946:0272:879
IPV6 Addres
Explanation:
The internet allows you quick access to research and digital media what do you need to do if you want to use someone’s else’s work?
Answers
Answer:
You need to cite someone else's work
Explanation:
WHICH OF THE FOLLOWING TASKS ARE PART OF THE SOFTWARE EVALUATION PROCESS?
TESTERS...
Answers
With regard to software evaulation, note that the correct options are -
Testers check that the code is implemented according to the specification document.A specification document is created.Any issues with the software are logged as bugs.Bugs are resolved by developers.How is this so?The tasks that are part of the software evaluation process include -
Testers check that the code is implemented according to the specification document.A specification document is created.Any issues with the software are logged as bugs.Bugs are resolved by developers.Tasks not directly related to the software evaluation process are -
Software developers writing code line by line.Creating a design for the software program.Learn more about software evaluation at:
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Full Question:
Although part of your question is missing, you might be referring to this full question:
Choose all that apply: Which of the following tasks are part of the software evaluation process?
testers check that the code is implemented according to the specification document
an specification document is created
software developers write code line by line
any issues with the software are logged as bugs
bugs are resolved by developers
a design for the software program is created
Lossy compression means that when you compress the file, you're going to lose some of the detail.
True
False
Question 2
InDesign is the industry standard for editing photos.
True
False
Question 3
Serif fonts are great for print media, while sans serif fonts are best for digital media.
True
False
Question 4
You should avoid using elements of photography such as repetition or symmetry in your photography.
True
False
Answers
Lossy compression means that when you compress the file, you're going to lose some of the detail is a true statement.
2. InDesign is the industry standard for editing photos is a true statement.
3. Serif fonts are great for print media, while sans serif fonts are best for digital media is a true statement.
4. You should avoid using elements of photography such as repetition or symmetry in your photography is a false statement.
What lossy compression means?The term lossy compression is known to be done to a data in a file and it is one where the data of the file is removed and is not saved to its original form after it has undergone decompression.
Note that data here tends to be permanently deleted, which is the reason this method is said to be known as an irreversible compression method.
Therefore, Lossy compression means that when you compress the file, you're going to lose some of the detail is a true statement.
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Linux does not provide a GUI for its users.
True
False
Answers
Answer:
False
Explanation:Linux is distributed under GNU GPL.
Write a query to find the customer balance summary (total, min, max, avg) for all customers who have not made purchases during the current invoicing period
Answers
Answer:
SELECT SUM(customer_balance) as Total, MIN(customer_balance) as minimum_balance, Max(customer_balance) as maximum_balance, AVG(customer_balance) as average_balance FROM customers WHERE customer_id NOT IN (SELECT customer_id FROM invoice)
Explanation:
The SQL query statement returns four columns which are aggregates of the column customer_balance from the customers table in the database and the rows are for customers that have not made any purchase during the current invoicing period.
Which HTML tag is used to add an ordered list to a web page?
Answers
Answer:
<ol> Defines an ordered list
Answer:
<ol>
Explanation:
answer is LOLOLyour so dumb jk its a i got it right
Answers
Where do you go to create a workbook?
Answers
Answer:
The explaination of this question is given below in the explanation section
Explanation:
The following steps are used to create a workbook.
1- Go to start menu and search about EXCEL (application software) and then click on it to open.
If you already opened a EXCEL's workbook, and you want to create a new workbook, then you follow the following steps:
Click the File tab. Click New. Under Available Templates, double-click Blank Workbook. Keyboard shortcut To quickly create a new, blank workbook, you can also press CTRL+N.A new workbook will be created.
program a macro on excel with the values: c=0 is equivalent to A=0 but if b is different from C , A takes these values
Answers
The followng program is capable or configuring a macro in excel
Sub MacroExample()
Dim A As Integer
Dim B As Integer
Dim C As Integer
' Set initial values
C = 0
A = 0
' Check if B is different from C
If B <> C Then
' Assign values to A
A = B
End If
' Display the values of A and C in the immediate window
Debug.Print "A = " & A
Debug.Print "C = " & C
End Sub
How does this work ?In this macro, we declare three integer variables: A, B, and C. We set the initial value of C to 0 and A to 0.Then, we check if B is different from C using the <> operator.
If B is indeed different from C, we assign the value of B to A. Finally, the values of A and C are displayed in the immediate window using the Debug.Print statements.
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1. What is a sprite?
O A sprite is a graphical representation of an object
A sprite is a function
A sprite is a game
A sprite is a string
Answers
Answer:
A
Explanation:
A sprite is a character or object that moves in a video game. For example, in Mario, Mario is the sprite because he is a character and can move.
ChodeHS Exercise 4.3.5: Coin Flips
Write a program to simulate flipping 100 coins. Print out the result of every flip (either Heads or Tails).
At the end of the program, print out how many heads you flipped, how many tails you flipped, what percentage were heads, and what percentage were tails.
Answers
Answer:
public class CoinFlips extends ConsoleProgram
{
public static final int FLIPS = 100;
public void run()
{
int countH = 0;
int countT = 0;
for(int i = 0; i < 100; i++)
{
if (Randomizer.nextBoolean())
{
System.out.println("Heads");
countH += 1;
}
else
{
System.out.println("Tails");
countT += 1;
}
}
System.out.println("Heads: " + countH);
System.out.println("Tails: " + countT);
System.out.println("% Heads: " + (double) countH / FLIPS);
System.out.println("% Tails: " + (double) countT / FLIPS);
}
}
Explanation:
First define your counting variables for both heads and tails (I named them countH and countT). Set them to 0 at the start of the run.
Then use a for loop to flip the coin 100 times. In the video you should have learned about the Randomizer class so you can use the same idea to print out whether you got heads or tails.
Make sure to keep the count going using >variable name< += 1.
The printing at the end is very basic; print the statement for each: ("Heads: " + >variable name<);
For the percentages, print ("% Heads: " + (double) >variable name< / FLIPS); divided by FLIPS (not 100 or any other int because you will get the wrong value) and remember to cast them as doubles to get the correct value.
The program simulates 100 coin flips and displays the result of each flip and the resulting percentage. The program written in python 3 goes thus :
import random
#import the random module
total = 0
#initialize the total coin flips
h_count = 0
t_count = 0
#initialize variable to hold the number of heads and tails
h_t = ['h', 't']
#define the sample space
while total < 100 :
#keeps track that tosses does not exceed 100
toss = random.sample(h_t, 1)
#variable to hold the outcome of each coin toss
if toss[0] == 'h':
#heck if toss is head
h_count+=1
Increase count of heads. owee
print(toss[0], end=' ')
#display the sample selected
else:
#if not head, then it's tail
t_count+=1
#increase count yv
print(toss[0], end=' ')
total+=1
#
print('head counts : ', h_count, 'percentage : ', round(h_count/100, 2),'%')
print('tail counts : ', t_count, 'percentage : ', round(t_count/100, 2), '%')
# display result.
A sample run of the program is attached
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HOW DO I HACK PUBG MOBILE WITH PROOF
GIVE ME LINK
Answers
In which sections of your organizer should the outline be located?
Answers
The outline of a research proposal should be located in the Introduction section of your organizer.
Why should it be located here ?The outline of a research proposal should be located in the Introduction section of your organizer. The outline should provide a brief overview of the research problem, the research questions, the approach, the timeline, the budget, and the expected outcomes. The outline should be clear and concise, and it should be easy for the reader to follow.
The outline should be updated as the research proposal evolves. As you conduct more research, you may need to add or remove sections from the outline. You may also need to revise the outline to reflect changes in the project's scope, timeline, or budget.
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please help me with this coding assignment :)
What values are stored in nums after the following code segment has been executed?
int[] nums = {50, 100, 150, 200, 250};
for (int n : nums)
{
n = n / nums[0];
}
[1, 2, 3, 4, 5]
[1, 1, 1, 1, 1]
[1, 100, 150, 200, 250]
[50, 100, 150, 200, 250]
Answers
Answer:
D. [50, 100, 150, 200, 250]
Explanation:
This is a trick question because the integer n is only a counter and does not affect the array nums. To change the actual array it would have to say...nums[n] = n/nums[0];
What does a function parameter allow a programmer to do
Answers
With software prefetching, it is important to be careful to have the prefetches occur in time for use but also to minimize the number of outstanding prefetches to live within the capabilities of the microarchitecture and minimize cache pollution. This is complicated by the fact that different processors have different capabilities and limitations. a. [15] <2.3> Create a blocked version of the matrix transpose with software prefetching. b. [20] <2.3> Estimate and compare the performance of the blocked and unblocked transpose codes both with and without software prefetch
Answers
The critical path in a project network is:______ A. The Shortest path through the network. B. Longest path through the network. C. Network path with the most difficult activities. D. Network path using the most resources.
Answers
Answer:
B
Explanation:
The critical path in a project network is the longest path through the network. The option is B.
What is a project network?A project network is the diagram that shows the activities and sequences through which the project's various tasks must be completed.
The critical path is part of the project network that has the longest duration which directly impacts the planned project completion date, causing it to take longer to finish the project.
Therefore, the critical path in a project network is the longest path through the network.
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which action is an example of an input?
Answers
Answer:
pressing buttons and flicking switches
Intuitively, input actions correspond to those things the environment does to the system (like pressing buttons and flicking switches); output actions correspond to those things the system does to the environment (like an ATM handing out cash or a vending machine dispensing candy).
what happens to proserpina when she wanders away from crease
Answers
Answer:
she fimds a group called loona and they save her life
Explanation:
proserpina says forget abt crease and stan loona
name the steps to turn on a computer properly
Answers
Answer:
Check that the computer is connected to power, and is powered on.
Make sure that your keyboard and mouse are plugged in.
Check that the monitor (screen) is plugged into the computer using its display cable.
Ensure that the monitor is connected to power and is turned on.
Explanation:
Monica, a network engineer at J&K Infotech Solutions, has been contracted by a small firm to set up a network connection. The requirement of the network backbone for the connection is of a couple of switches needing fiber-optic connections that might be upgraded later. Which one of the following transceivers should Monica use when the maximum transmission speed is of 8 Gbps?
Answers
For a network backbone requiring fiber-optic connections with a maximum transmission speed of 8 Gbps, Monica should use a transceiver that supports the appropriate fiber-optic standard and can handle the desired speed.
In this case, a suitable transceiver option would be the 8G Fiber Channel transceiver.
The 8G Fiber Channel transceiver is specifically designed for high-speed data transmission over fiber-optic networks.
It operates at a data rate of 8 gigabits per second (Gbps), which aligns with the maximum transmission speed requirement mentioned in the scenario.
Fiber Channel transceivers are commonly used in storage area networks (SANs) and other high-performance network environments.
When selecting a transceiver, it is crucial to ensure compatibility with the switches being used and the type of fiber-optic cable employed.
Monica should confirm that the switches she is working with support the 8G Fiber Channel standard and have the necessary interface slots or ports for these transceivers.
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Which concept deals with connecting devices like smart refrigerators and smart thermostats to the internet?
1 point
IoT
IPv6
NAT
HTTP
Answers
The concept that deals with connecting devices like smart refrigerators and smart thermostats to the internet is the Internet of Things (IoT).
The correct answer to the given question is option A.
It is a network of interconnected devices and systems that can interact with each other through the internet, and it includes anything that can be connected to the internet, from smartphones to cars, homes, and even cities.
IoT is a revolutionary technology that has the potential to change the way we live and work. It is built on the foundation of the internet and relies on the Internet Protocol (IP) for communication between devices.
To enable IoT to operate on a global scale, IPv6 was developed. This protocol provides a large number of unique IP addresses that can accommodate the growing number of IoT devices that are being connected to the internet. Network Address Translation (NAT) is another concept that is used to connect devices to the internet. It is a technique that allows multiple devices to share a single public IP address.
Hypertext Transfer Protocol (HTTP) is the primary protocol used to transfer data over the internet. In summary, IoT is the concept that deals with connecting devices like smart refrigerators and smart thermostats to the internet.
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which country did poker originate from?
Answers
Poque, a game that dates back to 1441 and that was supposedly invented in Strasbourg, seems to be the first early evidence of the French origin of the game. Poque in particular used a 52-card deck
France/French
ed 4. As a network administrator of Wheeling Communications, you must ensure that the switches used in the organization are secured and there is trusted access to the entire network. To maintain this security standard, you have decided to disable all the unused physical and virtual ports on your Huawei switches. Which one of the following commands will you use to bring your plan to action? a. shutdown b. switchport port-security c. port-security d. disable
Answers
To disable unused physical and virtual ports on Huawei switches, the command you would use is " shutdown"
How doe this work?The "shutdown" command is used to administratively disable a specific port on a switch.
By issuing this command on the unused ports, you effectively disable those ports, preventing any network traffic from passing through them.
This helps enhance security by closing off access to unused ports, reducing the potential attack surface and unauthorized access to the network.
Therefore, the correct command in this scenario would be "shutdown."
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