Write a program that asks users to enter letter grades at the keyboard until they hit enter by itself. The program should print the number of times the user typed A on a line by itself.
Answers
Answer:
The complete code in Python language along with comments for explanation and output results are provided below.
Code with Explanation:
# the index variable will store the number of times "A" is entered
index = 0
while True:
# get the input from the user
letter = input('Please enter letter grades: ')
# if the user enters "enter" then break the loop
if letter == "":
break
# if user enters "A" then add it to the index
if letter == "A":
index = index + 1
# print the index variable when the loop is terminated
# the str command converts the numeric type into a string
print("Number of times A is entered: " + str(index))
Output:
Please enter letter grades: R
Please enter letter grades: A
Please enter letter grades: B
Please enter letter grades: L
Please enter letter grades: A
Please enter letter grades: A
Please enter letter grades: E
Please enter letter grades:
Number of times A is entered: 3
Related Questions
give one major environmental and
one energy problem kenya faces as far as computer installations are concerned?
Answers
One considerable predicament that Kenya encounters pertaining to the utilization of computers is managing electronic waste (e-waste).
Why is this a problem?The mounting number of electronic devices and machines emphasizes upon responsibly discarding outdated or defective hardware in order to avoid environmental degradation.
E-waste harbors hazardous materials such as lead, mercury, and cadmium which can pollute soil and water resources, thereby risking human health and ecosystem sustainability.
Consequently, a significant energy drawback with computer use within Kenya pertains to the insufficiency or instability of electrical power supply.
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A web feed:
A. runs a ticker tape of all your friends' comments on a social
networking site.
B. lists all the activity and postings that are occurring on a website.
C. alerts news watchers of a breaking story they can watch on TV or
online.
D. notifies users that new content has been added to a specific
website.
Answers
Web feed notifies users that new content has been added to a specific website. Then the correct option is D.
What is a web feed?The frequent regular update of the content or information given to the user through data format is known as a web feed.
It notifies users that new content has been added to a specific website.
Thus, the correct option is D.
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Question 5) What is a feature of podcasts?
A.
They rely on airwaves for broadcasting.
B.
They are inexpensive to produce.
C.
They are accessible only within a specific area.
D.
They require video equipment to create.
E.
They allow easy access to documents.
Answers
Answer: B
Explanation: They are inexpensive to produce.
what’s the final value?
Answers
The final value of count1 would be 2, as there are two elements in the list array (-7 and -4) that are less than 3.
What is the code about?Based on the corrected code provided:
javascript
var list = [-7, 10, 11, -4, 10, 23];
var count1 = 0;
var count2 = 0;
for (var i = 0; i < list.length; i++) {
if (list[i] < 3) {
count1++;
} else {
count2++;
}
}
The final value of count2 would be 4, as there are four elements in the list array (10, 11, 10, and 23) that are greater than or equal to 3. Therefore, the result of count1 times count2 would be 2 * 4 = 8.
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See text below
What's the final value of count1 times count2 in the code below?
1
var list
2
2 M
3
456 00
var countl
[-7, 10, 11, -4, 10, 23];
0;
var count2 = 0;
6- for (var i=0; i< list.length; i++) { if (list[i]<3) {
7
count1++;
8
9
}
10
else
11
count2++;
12 }
08
03
04
O 2
The final value of count1 times count2 in the code is 8
Understanding the for loop executioncount1 would be 2 because there are three elements in the list array that are less than 3, which are -7 and -4.
count2 would be 4 because there are three elements in the list array that are greater than or equal to 3, which are 10, 10, 11, and 23.
So, count1 * count2 would be:
2 * 4 = 8
Therefore, the final value of count1 * count2 is 8.
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differences between a keyword and an identifier in Python
Answers
Answer:
Keywords are the reserved words with a special meaning. Identifiers are the user-defined names of variables, functions, etc. They are written in lower case except for True, False, and None. Need not be written in lowercase.
What is the last valid host on the subnet 172.29.72.0/23
Answers
The last valid host on the subnet 172.29.72.0/23 is 172.29.73.254.
To determine the last valid host on the subnet 172.29.72.0/23, we need to understand the concept of subnetting and how it affects the range of available host addresses.
In IPv4, subnetting allows for the division of a network into smaller subnetworks, each with its own range of usable host addresses.
The subnet 172.29.72.0/23 has a subnet mask of 255.255.254.0. The subnet mask determines the size of the network and the number of host addresses it can accommodate.
In this case, the /23 notation indicates that the first 23 bits are used to represent the network address, while the remaining 9 bits are available for host addresses.
To find the last valid host on this subnet, we need to determine the maximum number of hosts it can support. With 9 bits available for host addresses, we have 2^9 (512) possible combinations.
However, two of these combinations are reserved, one for the network address (172.29.72.0) and one for the broadcast address (172.29.73.255). Therefore, the actual number of usable host addresses is 512 - 2 = 510.
To find the last valid host address, we subtract 1 from the broadcast address.
In this case, the broadcast address is 172.29.73.255, so the last valid host address would be 172.29.73.254.
This is because the last address is reserved for the broadcast address and cannot be assigned to a specific host.
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Please help me understand what I'm doing wrong in my python code, its returning a [] in the written file.
# You work at a low latency trading firm and are asked to deliver the order book data provided in order_book_data.txt to a superior
# The problem is that the data isn't formatted correctly. Please complete the following steps to apropriately format the data
# Notice, the first column is a ticker, the second column is a date, the third column is a Bid, the fourth column is an Ask, and the fifth column is a currency type
# 1. Open order_book_data.txt
# 2. Remove the order book lines. i.e. ***** Order Book: ###### *****
# 3. Get rid empty lines
# 4. Get rid of spaces
# 5. Notice that there are two currencies in the order book; USD and YEN. Please convert both the Bid and Ask price to USD (if not already)
# The Bid and Ask are the 3rd and 4th column, respectively
# 6. Create a header line Ticker, Date, Bid, Ask
# 7. Save the header line and propely formatted lines to a comma seperated value file called mktDataFormat.csv
![Please help me understand what I'm doing wrong in my python code, its returning a [] in the written file.#](https://i5t5.c14.e2-1.dev/h-images-qa/contents/attachments/ipLDv3O5djxVTtjkJZX59Ha2E90rusuD.png)
![Please help me understand what I'm doing wrong in my python code, its returning a [] in the written file.#](https://i5t5.c14.e2-1.dev/h-images-qa/contents/attachments/mUY6Iqs6vxMzSbD1zwdjOJqfnrkRiLZh.png)
Answers
Answer:
There are several issues with the code that could be causing it to return an empty file.
Indentation errors: Python relies on indentation to indicate blocks of code, so it's important to make sure that the code is indented correctly. In your code, the if statement and columnA = float(columnA) line are not indented properly.Missing append statement: After converting the Bid and Ask prices to USD, the code is not actually adding them to the data list.Writing the wrong variable: In the last line of the code, you are writing the entire data list as a string, instead of iterating through the list and writing each element as a string.Explanation:
file = open("order_book_data.txt", "r")
data = []
lines = file.readlines()
for line in lines:
if line.strip() == '':
continue
if ("***" in line):
continue
column = line.strip().split(",")
columnA = float(column[2])
columnB = float(column[3])
if column[4] == "YEN":
columnA = columnA * 0.0075
columnB = columnB * 0.0075
column[2] = str(columnA)
column[3] = str(columnB)
data.append(",".join(column))
header = "Ticker,Date,Bid,Ask\n"
file.close()
file2 = open("mktlinesFormat.csv", "w")
file2.write(header)
for line in data:
file2.write(line + "\n")
file2.close()
In this code, i use continue statements to skip over the order book lines and empty lines. then i split each line into a list of columns, convert the Bid and Ask prices to USD if necessary, and join the columns back into a comma-separated string. then append the formatted string to the data list.
After processing all the lines, i write the header line and each formatted line to a new file, one line at a time. Note that add a newline character \n to the end of each line to ensure that each line is written on a separate line in the file.
A ________helps to present data in a row and column format.
Answers
Answer:
Tally marks
Explanation:
Tally marks on the Tally table can help us to represent data in a row and column format.
If my answer helped, kindly mark me as the Brainliest!!
Thank You!!
In a table the datas are arrange in rows and columns.
Complete the function to return the factorial of the parameter using recursion,
def recursiveFactorial(number):
if number
return number * recursiveFactorial
else:
return 1
stringNum = input("Enter a positive integer: ")
num = int(stringNum)
print(recursiveFactorial(num))
Answers
Answer:
>1
-1
Explanation:
i took the test and here is the real answer. hope this helps!!!!! ;*
What word can you type using only the left home row keys and the right reach keys?
Band
Hands
Finds
Kind
Answers
Answer:
bands or hand is your answer
The word that can be typed using only the left home row keys and the right reach keys is "Hands".
Given,
Words.
Here,
''Hands'' : This word can be typed by placing your left hand on the ASDF keys (the left home row keys) and reaching your right hand to the JKL; keys (the right reach keys).
By doing so, you can type the word "Hands" without having to move your hands from the home row position.
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Use the drop-down menu to complete the sentences about pseudocode.
Pseudocode provides a
Pseudocode
of what is happening in the computer program.
detail(s) every single step of the program.
Answers
Pseudocode provides a high-level overview of what is happening in a computer program
How does pseudocode do this?Pseudocode presents a broad perspective of the operations performed within a program by a computer. Acting as an intermediate phase bridging human-understandable language and executable code.
Although not outlining each step in a comprehensive manner, pseudocode captures the key steps and algorithms that are crucial in accomplishing the requested functionality.
The emphasis is on the coherence of the sequence of steps, the methods for making choices, and the significant functions, empowering developers to skillfully design and articulate the framework of their program well in advance of actual implementation in a given coding language.
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What are 4 apps like giggl? There are lots of portals open and it's so laggy, please give me good alternatives.
Answers
Not sure what that is, but I use Discord, if that's similar.
A stakeholder is upset that a project is weeks behind schedule and confronts the project manager to ask whether the project should be canceled. according to the acronym niece, what should the pm do?
Answers
The project manager can effectively manage the upset stakeholder's concerns and ensure that the project is able to move forward in a productive and collaborative manner.
In this scenario, the project manager should use the acronym NIECE to handle the upset stakeholder.
N - Nod: The project manager should acknowledge the stakeholder's concerns and show understanding of their frustration.
I - Identify: The project manager should identify the specific issues causing the delay and explain the steps being taken to address them.
E - Explore: The project manager should explore potential solutions with the stakeholder, including alternative options and potential trade-offs.
C - Confirm: The project manager should confirm the stakeholder's understanding of the situation and the proposed solutions, ensuring that they are satisfied with the plan moving forward.
E - Execute: Finally, the project manager should execute the plan and keep the stakeholder informed of progress along the way.
Overall, by following the NIECE approach, the project manager can effectively manage the upset stakeholder's concerns and ensure that the project is able to move forward in a productive and collaborative manner. It's important for the project manager to remain calm, communicate clearly, and work collaboratively with all stakeholders to ensure project success.
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Joseline is trying out a new piece of photography equipment that she recently purchased that helps to steady a camera with one single leg instead of three. What type of equipment is Joseline trying out?
A. multi-pod
B. tripod
C. semi-pod
D. monopod
Answers
Joseline trying out tripod .A camera-supporting three-legged stand is known as a tripod. For stability, cameras are fixed on tripods, sometimes known as "sticks." In tripods, the fluid head is used. The camera may now tilt up and down in addition to pan left and right.
What tools are employed in photography?You will need a camera with manual settings and the ability to change lenses, a tripod, a camera case, and a good SD card if you're a newbie photographer who wants to control the visual impacts of photography. The affordable photography gear listed below will help you get started in 2021.A monopod, which is a one-legged camera support system for precise and stable shooting, is also known as a unipod.A camera-supporting three-legged stand is known as a tripod. For stability, cameras are fixed on tripods, sometimes known as "sticks." In tripods, the fluid head is used. The camera may now tilt up and down in addition to pan left and right.To learn more about tripod refer to:
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Answer:
monopod
Explanation:
What is the correct formula for the IF function in excel
Answers
Use the IF function, one of the logical functions, to return one value if a condition is true and another value if it's false. For example: =IF(A2>B2,"Over Budget","OK") =IF(A2=B2,B4-A4,"")
The IF function in Microsoft Excel is the most common function in Excel that allows comparing the data.
The IF function can have two statements that is positive and negative. Like of IF(C2='' Yes'', 1, 2). Which means of c2 is yes then return one or two. Thus IF formula is used to evaluate errors.Learn more about the correct formula for the IF function in excel.
brainly.in/question/5667072.
Perform the following for each 8 bit binary addition:
add the two binary numbers
interpret all there 8 bit binary numbers as a signed number (2’s complement)
interpret all three 8 bit binary numbers as unsigned numbers
Binary Number
Signed Decimal Value
Unsigned Decimal Value
Number 1
01111001
Number 2
00011110
Sum
Binary Number
Signed Decimal Value
Unsigned Decimal Value
Number 1
00011011
Number 2
00010100
Sum
Binary Number
Signed Decimal Value
Unsigned Decimal Value
Number 1
11110110
Number 2
10000011
Sum
Answers
Answer:
Where are options?
Explanation:
Joe, Kate and Jody are members of the same family. Kate is 5 years older than Joe. Jody is 6 years older than Kate . The sum of their ages squared is 961 years. What are their ages?
Answers
Answer:
5, 10 and 16
Explanation:
The sum of their ages is √961 = 31
If Joe is x years old, the equation that follows is:
x + (x+5) + (x+5+6) = 31
This simplifies to
3x = 31 - 11 - 5 = 15
so x=5
From that you can find
Joe = x = 5
Kate = x+5 = 10
Jody = x+5+6 = 16
when food material are preserved at a temperature just above freezing the temperature process is called
Answers
Cleo is working in Excel and encounters a word that she would like Excel to ignore permanently for all workbooks. Which of the following options should she select?
Ignore Once
Ignore All
Add to Dictionary
AutoCorrect
ANSWER IS C Add to Dictionary
Answers
Answer:
ignore all
Explanation:
The answer is ignore all not add to dictionary
Answer:
C
Explanation:
its C dont listen to anyone else i got you
Are AWS Cloud Consulting Services Worth The Investment?
Answers
AWS consulting services can help you with everything from developing a cloud migration strategy to optimizing your use of AWS once you're up and running.
And because AWS is constantly innovating, these services can help you keep up with the latest changes and ensure that you're getting the most out of your investment.
AWS consulting services let your business journey into the cloud seamlessly with certified AWS consultants. With decades worth of experience in designing and implementing robust solutions, they can help you define your needs while executing on them with expert execution from start to finish! AWS Cloud Implementation Strategy.
The goal of AWS consulting is to assist in planning AWS migration, design and aid in the implementation of AWS-based apps, as well as to avoid redundant cloud development and tenancy costs. Project feasibility assessment backed with the reports on anticipated Total Cost of Ownership and Return on Investment.
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Hi!
i want to ask how to create this matrix A=[-4 2 1;2 -4 1;1 2 -4] using only eye ones and zeros .Thanks in advance!!
Answers
The matrix A=[-4 2 1;2 -4 1;1 2 -4] can be created by using the following code in Matlab/Octave:
A = -4*eye(3) + 2*(eye(3,3) - eye(3)) + (eye(3,3) - 2*eye(3))
Here, eye(3) creates an identity matrix of size 3x3 with ones on the diagonal and zeros elsewhere.
eye(3,3) - eye(3) creates a matrix of size 3x3 with ones on the off-diagonal and zeros on the diagonal.
eye(3,3) - 2*eye(3) creates a matrix of size 3x3 with -1 on the off-diagonal and zeros on the diagonal.
The code above uses the properties of the identity matrix and the properties of matrix addition and scalar multiplication to create the desired matrix A.
You can also create the matrix A by using following code:
A = [-4 2 1; 2 -4 1; 1 2 -4]
It is not necessary to create the matrix A using only ones and zeroes but this is one of the way to create this matrix.
examples of ownership
Answers
Answer:
Ownership is the legal right to possess something. An example of ownership is possessing a specific house and property. The total body of rights to use and enjoy a property, to pass it on to someone else as an inheritance, or to convey it by sale.
Driving is expensive. Write a program with a car's miles/gallon and gas dollars/gallon (both doubles) as input, and output the gas cost for 20 miles, 75 miles, and 500 miles. Output each floating-point value with two digits after the decimal point, which can be achieved by executing cout << fixed << setprecision(2); once before all other cout statements.
Answers
Answer:
Explanation:
The following is written in C++ and asks the user for inputs in both miles/gallon and dollars/gallon and then calculates the gas cost for the requested mileages using the input values
#include <iostream>
#include <iomanip>
using namespace std;
int main () {
// distance in miles
float distance1 = 20.0, distance2 = 75.0, distance3 = 500.0;
float miles_gallon, dollars_gallon;
cout << "Enter cars miles/gallon: "; cin >> miles_gallon;
cout << "Enter cars dollars/gallon: "; cin >> dollars_gallon;
cout << "the gas cost for " << distance1 << " miles is " << fixed << setprecision(2) << (float) dollars_gallon * distance1 / miles_gallon << "$\n";
cout << "the gas cost for " << distance2 << " miles is " << fixed << setprecision(2) << (float) dollars_gallon * distance2 / miles_gallon << "$\n";
cout << "the gas cost for " << distance3 << " miles is " << fixed << setprecision(2) << (float) dollars_gallon * distance3 / miles_gallon << "$\n";
return 0;
}
Which statements are true about mobile apps? Select 3 options.
Answers
The statements are true about mobile app development are;
Software development kits can provide a simulated mobile environment for development and testingMobile app revenues are expected to growWhether a mobile app is native, hybrid, or web, depends on how the app will be used and what hardware needs to be accessed by the appHow is this so?According to the question, we are to discuss what is mobile app and how it works.
As a result of this mobile app serves as application that works on our mobile phone it could be;
nativehybridwebTherefore, Software development kits can provide a simulated mobile environment.
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Full Question:
Although part of your question is missing, you might be referring to this full question:
Which of the following statements are true about mobile app development? Select 3 options.
• Software development kits can provide a simulated mobile environment for development and testing
• Testing is not as important in mobile app development, since the apps are such low-priced products
• Mobile apps can either take advantage of hardware features or can be cross-platform, but not both
• Mobile app revenues are expected to grow
• Whether a mobile app is native, hybrid, or web, depends on how the app will be used and what hardware needs to be accessed by the app
what is meant by the purpose of the flashcards software application is to encourage students to condense difficult topics into simple flashcards to understand the key ideas in programming courses better
Answers
The purpose of a flashcards software application in the context of programming courses is to provide students with a tool that encourages them to condense complex and challenging topics into simplified flashcards.
These flashcards serve as a means for students to understand and internalize the key ideas and concepts in programming more effectively.
By condensing the material into concise flashcards, students are required to identify the most important information, grasp the core concepts, and articulate them in a clear and simplified manner.
The software application aims to foster active learning and engagement by prompting students to actively participate in the process of creating flashcards.
This process encourages critical thinking, as students need to analyze, synthesize, and summarize the material in a way that is easily digestible. Additionally, the act of reviewing these flashcards on a regular basis helps students reinforce their understanding, retain information, and improve their overall comprehension of programming topics.
Importantly, the focus on condensing difficult topics into simple flashcards helps students break down complex information into manageable, bite-sized pieces.
This approach enables them to tackle challenging programming concepts incrementally, enhancing their ability to grasp and apply the fundamental ideas effectively.
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Which of the following is NOT an arithmetic operator?
Answers
Considering the available options, the choice that is NOT an arithmetic operator is "]."
What is Arithmetic Operator?Arithmetic Operator is the term used in computer science to describe the mathematical function that takes two operands while making calculations.
Arithmetic Operators are generally used for arithmetic and sequential calculation.
Major Arithmetic Operators + (addition), - (subtraction), * (multiplication), / (division), % (modulo).++ Autoincrement−− AutodecrementHence, in this case, it is concluded that the correct answer is "]."
The available options are:
a.+
b.-
c. *
d. ]
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How could you use a spreadsheet you didn't like to simplify access also the problem
Answers
Explanation:
......
If cell A2 contains "Today is Monday," the result of the function =LEN(A2) would be __________. Fill in the blank space.
Excel Quiz.
Answers
If cell A2 includes the phrase "Today is Monday," the result of the function =LEN(A2) would be 15, which is the number of characters in the cell.
How can I figure out how many characters there are in Excel?Type =LEN(cell) in the formula bar and hit Enter to invoke the function. In many instances, cell refers to the cell that you want to count, like B1. Enter the formula, then copy and paste it into further cells to count the characters in each cell.
What does Len have to offer?A number is returned by LEN after it counts the characters in the text, including spaces and punctuation. LEN is set to zero if text is an empty string ("") or a reference to an empty cell.
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A dedicated telephone switch or virtual switching device that connects and manages calls within a private organization, and manages call connections that exit the network through a VoIP gateway, is known by what term?
Answers
A virtual switching device that connects and manages calls within a private organization, and manages call connections that exit the network through a VoIP gateway is known as VoIP PBX. (private branch exchange)
What is a virtual switching device?A digital switch (vSwitch) can be called as a software program application that permits one digital machine (VM) to speak with another.
Virtual switches also are used to set up connections among digital and bodily networks and to hold a VM's site visitors to different VMs or a physical network.
Therefore, A virtual switching device that connects and manages calls within a private organization, and manages call connections that exit the network through a VoIP gateway is known as VoIP PBX.
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Which of the following commands are part of the Cells group on the HOME tab?
Answers
common commands such as bold, underline, copy, and paste. Also for cells format worksheet something like that...
The one that is a part of the Cells group on the home tab is insert. The correct option is 1.
What is a home tab?In Microsoft Word, the Home tab is the default tab. The relevant commands are divided into five groups: Clipboard, Font, Paragraph, Styles, and Editing.
It enables you to edit document settings such as font size, bullet placement, style selection, and many other standard features.
The most utilised document controls can be found under the Home Tab; using these controls, you can alter the text's font and size, paragraph and line spacing, copy and paste, and organisational structure. The Home Tab is divided into four separate sections.
Insert is the one that is a member of the Cells group on the home tab.
Thus, the correct option is 1.
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Your question seems incomplete, the missing options are:
i. Insert
ii. Delete
iii Format
iv. All of these